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Dissertations & theses, proquest: the world leader in dissertation access and dissemination.

Over the last 80 years, ProQuest has built the world’s most comprehensive and renowned dissertations program. ProQuest Dissertations & Theses Global (PQDT Global), continues to grow its repository of 5 million graduate works each year, thanks to the continued contribution from the world’s universities, creating an ever-growing resource of emerging research to fuel innovation and new insights.

As the official repository of the Library of Congress, PQDT Global provides researchers with quality and equitable search results across all institutions, as well as rich citation data that delivers insights into the connections building around the world.

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ProQuest Dissertation & Theses Global

ProQuest Dissertation & Theses Global

ProQuest Dissertation & Theses Global is the world's most comprehensive curated collection of multi-disciplinary dissertations and theses from around the world.

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Empower researchers to uncover new connections and make new discoveries using TDM Studio, a new solution for text and data mining (TDM). From the initial idea to the final output, TDM Studio puts the power of text and data mining directly in the researcher’s hands.

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ProQuest One Academic brings together four core multi-disciplinary products, allowing access to the world’s largest curated collection of journals, ebooks, dissertations, news and video.

Global ETD Search

Search the 6,357,361 electronic theses and dissertations contained in the NDLTD archive:

The archive supports advanced filtering and boolean search.


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EBSCO Open Dissertations

EBSCO Open Dissertations makes electronic theses and dissertations (ETDs) more accessible to researchers worldwide. The free portal is designed to benefit universities and their students and make ETDs more discoverable. 

Increasing Discovery & Usage of ETD Research

EBSCO Open Dissertations is a collaboration between EBSCO and BiblioLabs to increase traffic and discoverability of ETD research. You can join the movement and add your theses and dissertations to the database, making them freely available to researchers everywhere while increasing traffic to your institutional repository. 

EBSCO Open Dissertations extends the work started in 2014, when EBSCO and the H.W. Wilson Foundation created American Doctoral Dissertations which contained indexing from the H.W. Wilson print publication, Doctoral Dissertations Accepted by American Universities, 1933-1955. In 2015, the H.W. Wilson Foundation agreed to support the expansion of the scope of the American Doctoral Dissertations database to include records for dissertations and theses from 1955 to the present.

How Does EBSCO Open Dissertations Work?

Your ETD metadata is harvested via OAI and integrated into EBSCO’s platform, where pointers send traffic to your IR.

EBSCO integrates this data into their current subscriber environments and makes the data available on the open web via opendissertations.org .

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How to find resources by format

Why use a dissertation or a thesis.

A dissertation is the final large research paper, based on original research, for many disciplines to be able to complete a PhD degree. The thesis is the same idea but for a masters degree.

They are often considered scholarly sources since they are closely supervised by a committee, are directed at an academic audience, are extensively researched, follow research methodology, and are cited in other scholarly work. Often the research is newer or answering questions that are more recent, and can help push scholarship in new directions. 

Search for dissertations and theses

Locating dissertations and theses.

The Proquest Dissertations and Theses Global database includes doctoral dissertations and selected masters theses from major universities worldwide.

NDLTD – Networked Digital Library of Theses and Dissertations provides free online access to a over a million theses and dissertations from all over the world.

WorldCat Dissertations and Theses searches library catalogs from across the U.S. and worldwide.

Locating University of Minnesota Dissertations and Theses

Use  Libraries search  and search by title or author and add the word "thesis" in the search box. Write down the library and call number and find it on the shelf. They can be checked out.

Check the  University Digital Conservancy  for online access to dissertations and theses from 2007 to present as well as historic, scanned theses from 1887-1923.

Other Sources for Dissertations and Theses

University of Minnesota Dissertations and Theses FAQs

What dissertations and theses are available.

With minor exceptions, all doctoral dissertations and all "Plan A" master's theses accepted by the University of Minnesota are available in the University Libraries system. In some cases (see below) only a non-circulating copy in University Archives exists, but for doctoral dissertations from 1940 to date, and for master's theses from 1925 to date, a circulating copy should almost always be available.

"Plan B" papers, accepted in the place of a thesis in many master's degree programs, are not received by the University Libraries and are generally not available. (The only real exceptions are a number of old library school Plan B papers on publishing history, which have been separately cataloged.) In a few cases individual departments may have maintained files of such papers.

In what libraries are U of M dissertations and theses located?

Circulating copies of doctoral dissertations:.

Circulating copies of master's theses:

Archival copies (non-circulating)

Archival (non-circulating) copies of virtually all U of M doctoral dissertations from 1888-1952, and of U of M master's theses from all years up to the present, are maintained by University Archives (located in the Elmer L. Andersen Library). These copies must be consulted on the premises, and it is highly recommended for the present that users make an appointment in advance to ensure that the desired works can be retrieved for them from storage. For dissertations accepted prior to 1940 and for master's theses accepted prior to 1925, University Archives is generally the only option (e.g., there usually will be no circulating copy). Archival copies of U of M doctoral dissertations from 1953 to the present are maintained by Bell and Howell Corporation (formerly University Microfilms Inc.), which produces print or filmed copies from our originals upon request. (There are a very few post-1952 U of M dissertations not available from Bell and Howell; these include such things as music manuscripts and works with color illustrations or extremely large pages that will not photocopy well; in these few cases, our archival copy is retained in University Archives.)

Where is a specific dissertation of thesis located?

To locate a specific dissertation or thesis it is necessary to have its call number. Use Libraries Search for the author or title of the item, just as you would for any other book. Depending on date of acceptance and cataloging, a typical call number for such materials should look something like one of the following:

Dissertations: Plan"A" Theses MnU-D or 378.7M66 MnU-M or 378.7M66 78-342 ODR7617 83-67 OL6156 Libraries Search will also tell the library location (MLAC, Health Science Library, Magrath or another St. Paul campus library, Science and Engineering, Business Reference, Wilson Annex or Wilson Library). Those doctoral dissertations still in Wilson Library (which in all cases should be 1980 or later and will have "MnU-D" numbers) are located in the central section of the third floor. Those master's theses in Wilson (which in all cases will be 1997 or later and will have "MnU-M" numbers) are also located in the central section of the third floor. Both dissertations and theses circulate and can be checked out, like any other books, at the Wilson Circulation desk on the first floor.

How can dissertations and theses accepted by a specific department be located?

Wilson Library contains a series of bound and loose-leaf notebooks, arranged by department and within each department by date, listing dissertations and theses. Information given for each entry includes name of author, title, and date (but not call number, which must be looked up individually). These notebooks are no longer current, but they do cover listings by department from the nineteenth century up to approximately 1992. Many pre-1940 U of M dissertations and pre-1925 U of M master's theses are not cataloged (and exist only as archival copies). Such dissertations can be identified only with these volumes. The books and notebooks are shelved in the general collection under these call numbers: Wilson Ref LD3337 .A5 and Wilson Ref quarto LD3337 .U9x. Major departments of individual degree candidates are also listed under their names in the GRADUATE SCHOOL COMMENCEMENT programs of the U of M, available in University Archives and (for recent years) also in Wilson stacks (LD3361 .U55x).

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Electronic Theses & Dissertations Center

Powered by ohiolink, ohio department of higher education, state government links, education links.

How do I find dissertations and theses?

Quick Links

Obtaining Dissertations the Library Does Not Hold

Current University of Chicago faculty, students, and staff may obtain dissertations and theses by placing an interlibrary loan request .

Dissertations from U.S. or Canadian Institutions

ProQuest Dissertations and Theses contains records for most North American doctoral dissertations. To locate dissertations of interest, search by keyword.  Select More Search Options or use the Advanced search interface to search for terms in specific fields (Author, School, etc.).  Note that some fields (Abstract, Advisor, Committee Member, Department) will not work for dissertations produced before a certain date.  Most titles submitted since 1997 are available online.

The Theses Canada Portal provides additional information about Canadian theses.

Dissertations from Academic Institutions Outside the U.S.

Dissertations and theses from institutions outside the United States and Canada can sometimes be challenging to obtain. The Center for Research Libraries has a large collection of foreign dissertations. We borrow material from them, and in many cases interlibrary loan staff will ask CRL to acquire material they do not hold. See the CRL guide to dissertations for additional information.

Other Sources for Identifying Dissertations

While ProQuest Dissertations & Theses and the CRL Guide to Dissertations are good starting points, many of the Library's subscription databases contain records for dissertations. Along with the records for books and other material, WorldCat contains records for dissertations or theses held by member libraries. Most of the major subject-specific indexes (such as PsycINFO, SciFinder Scholar, or Sociological Abstracts) will also include citations for dissertations. Some of the Library's research guides mention additional sources.

The Library also has some print sources and bibliographies which you may use to locate dissertations. Locate these sources by searching the Library Catalog using the subject term Dissertations, Academic in either the subject keyword search or the Begins with subject search option. If you are looking for dissertations from a specific country, you can add the country into your search terms (i.e. Dissertations, Academic -- Mexico ).

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Finding Theses and Dissertations

International Theses: Search Tools

Proquest dissertations and theses.

A comprehensive collection of dissertations and theses from around the world from 1861-present. Full text  since 1997. Abstracts  since 1980 for doctoral dissertations and 1988 for masters' theses. Citations  since 1861.

Center for Research Libraries

CRL holds more than 800,000 doctoral dissertations outside of the U.S. and Canada. Search dissertations in the dissertations section of the CRL catalogue. Digitized dissertations can be searched in the catalogue's e-resources section.

Networked Digital Library of Theses and Dissertations

A collection of more than 800,000 international full text theses and dissertations.

Google Scholar

Try searching Google Scholar for theses posted on institutional digital repositories or on personal web pages.


A web search engine devoted to Science and Technology.

Search for dissertations, theses and published material based on theses catalogued in WorldCat by OCLC member libraries worldwide. In Advanced Search, you can search by author, title, subject, year, and keyword. Under Subtype Limits, select Theses/Dissertation from the Any Content menu

International Theses: By Country

Österreichische Dissertationsdatenbank

The Austrian dissertation database contains the bibliographical data of dissertations approved in Austria from 1990 on, and in most cases the relevant abstracts. (This website is hosted by the National Library of Austria).

National Library of Australia’s Trove Service

Search for full text digital theses from Australian universities.  On the Advanced search screen under Format, select Thesis.

DART-Europe :  Access to full text theses and dissertations from many countries in Europe.

Europeana : Additional electronic dissertations from other European libraries.

Système universitaire de documentation  (Sudoc): Provides access to records and some electronic theses and dissertations published at French research institutions.

Fichier central des thèses

DissOnline provides information on the subject of electronic university publications. It can be used to find out directly all about online dissertations and post-doctoral theses. Sample documents can be downloaded to provide help in the creation of electronic university publications. For more information about the portal, please go to  German National Library  website  (DNB) .


TESIUNAM: Tesis del Sistema Bibliotecario de la Unam

(Theses from the National University of Mexico / Universidad Nacional Autónoma de México). To search for electronic theses, click on “tesis electrónicas (REDUNAM).”

Middle East

The Center for Research Libraries and the British Library have made available online 400 UK doctoral theses focusing on the Middle East, Islamic studies, and related subjects.  More information .

The Netherlands

Some Dutch e-theses are available through NARCIS.

South America 

For more university/national library catalogues, search for the word University/Universidad and the country (Argentina, Peru, etc.) in Google. Find the link to the library ( biblioteca ) and search the catalogue for theses ( tesis ). You may need to click on the advanced search function ( búsqueda guíada  or  búsqueda avanzada ) and select tesis as a format or type. ​

There are several portals/catalogues in Spain for theses and dissertations. Here are some examples listed on Spain’s  National Library  website:

Spain’s Ministry of Education thesis database (TESEO)

Biblioteca Virtual del Español (on the Biblioteca Virtual, Miguel de Cervantes website)

Universidad Complutense de Madrid’s catalogue

TDX (Tesis Doctorals en Xarxa)

This is a cooperative repository of digital theses from the University of Cataluña and other autonomous communities (such as Murcia, Cantabria, Barcelona, and Oviedo)


For print and electronic dissertations, please consult the  Swiss National Library  website.

EThOS : Access to doctoral dissertations (paper and electronic) from UK institutions of higher education.

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UW Libraries Search: Theses and Dissertations

How to find theses and dissertations by subject.

1. To search for theses and dissertations by subject from the University of Washington, go to the Advanced Search option on the  UW Libraries homepage .

screenshot of advanced search

2. In Advanced Search, select " in subject " from the drop-down menu, and " is (exact) " from the second drop-down menu. Type " theses  [subject/department]" into the search field. For example, if you are interested in finding theses from the History department, you would type "theses history" into the search box and then click  Search .

Advanced Search Box

3. The search results will list all master’s and doctoral theses completed at the UW for that subject. 

Search Results for Theses

Access Theses/Dissertations

screenshot for a print thesis

Find Online Theses/Dissertations

screenshot of online theses search

Find Print Theses/Dissertations

screenshot of print theses search

3. The search results will list all master’s and doctoral theses completed at the UW for that subject. 

screenshot of search results for 'theses history'

More Tips on Finding Theses & Dissertations

Find information on searching for dissertations and theses done at the UW and other universities with our Dissertations & Theses Research Guide.

Dissertations & Theses Research Guide

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Site search, top resources, all databases, theses & dissertations.

Print, microfilm, and digital theses and dissertations in our collections can be discovered in the main library catalog . To find digital full-text thesis and dissertations from U of I and around the world, use ProQuest's Dissertations & Theses Global database. All U of I ETD are also available in our open access U of I Theses and Dissertations Digital Collection .

If you are looking for information about submitting your own ETD at U of I, please see COGS Thesis and Dissertation Resources .

Browse Theses and Dissertations by subject:

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Theses & Dissertations

What am i searching.

Use the search box above to find Texas A&M theses and dissertations in either print or electronic format.

Texas A&M Theses & Dissertations

Texas a&m theses & dissertations (oaktrust).

Texas A&M University institutional repository for theses and dissertations. Online access to theses and dissertations submitted prior to 2004 may be limited to current Texas A&M students, faculty, and staff.

ProQuest Dissertations & Theses (Texas A&M) [Still waiting for URL]

ProQuest Dissertation & Theses Global limited to Texas A&M University dissertations.

ProQuest Dissertations & Theses Global

A collection of dissertations and theses from around the world, spanning from 1743 to the present day and offering full text for graduate works added since 1997, along with selected full text for works written prior to 1997. It contains a significant amount of new international dissertations and theses both in citations and in full text.

Center for Research Libraries Catalog

The Center for Research Libraries (CRL) is a consortium of North American universities, colleges, and independent research libraries. The consortium acquires and preserves newspapers, journals, documents, archives, and other traditional and digital resources for research and teaching and makes them available to member institutions through interlibrary loan and electronic delivery.

DART-Europe E-theses Portal

Access to thousands of open access research theses from universities in European countries.

DiVA Academic Archive On-line

Theses from 30 universities and colleges of higher education from Sweden and other Scandinavian universities. (In English, Swedish, and Norwegian).

Electronic Theses Online Services (EThOS)

Access to UK Theses.

Networked Digital Library of Theses and Dissertations (NDLTD)

An Open Access Initiative (OAI) Union Catalog of theses and dissertations from many countries, which are all immediately available electronically.

Full text of open access dissertations and theses.

Theses Canada Portal

Canadian theses at Library and Archives Canada (LAC)

Trove: National Library of Australia

Limit your search by doing an Advanced Search and limit by Format Value: Thesis.

OCLC WorldCat database is the OCLC online catalog. It contains over 43 million records describing library holdings.


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    Global ETD Search. Search the 6,357,361 electronic theses and dissertations contained in the NDLTD archive: advanced search tips how to contribute records.

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    Use Libraries search and search by title or author and add the word "thesis" in the search box. Write down the library and call number and find

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    Print, microfilm, and digital theses and dissertations in our collections can be discovered in the main library catalog. To find digital full-text thesis

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