Orbis holds records for all Yale dissertations for which microfilm copies exist, i.e. all dissertations completed in departments of the Graduate School since 1965, plus select dissertations completed in departments of the Graduate School between 1892 & 1965.

Yale dissertations can be located in Orbis by:
(1) Entering the author / title in a Simple Search
(2) Using the terms “dissertation” or “thesis” and words known to be in the bibliographic record in a Keyword search.

This database makes nearly every dissertation ever filed in the United States available in PDF format. Not all dissertations are available, however, as authors with dissertations under contract with a press are sometimes encouraged not to make their dissertations freely available. In these cases you can at least read an abstract. Note that you can search by school, department, and adviser.

The European portal for finding electronic theses and dissertations. DART-Europe is a partnership of research libraries and library consortia who are working together to improve global access to European research theses.

German dissertations since 1998 are comprehensively collected by the National Library of Germany, so search its online catalog by clicking on the link above.

Searches electronic university publications held by the Deutsche Nationalbibliothek, including dissertations and "Habilitationen".

EThOS offers free access, in a secure format, to the full text of electronically stored UK theses--a rich and vast body of knowledge.

A Comprehensive Listing of Theses with Abstracts Accepted for Higher Degrees by Universities in Great Britain and Ireland since 1716. Abstracts are available from many theses since 1970 and for all since 1986.

This database references over 55,000 dissertations and theses held at Austrian universities; select dissertations are available online.

Holds 800,000 dissertations from universities outside the U.S. and Canada. However, only 20,000 of these are cataloged in the database. If you know the exact title of a dissertation and do not find it in the database, CRL recommends searching the CRL Catalog. If the title does not appear in the database or the catalog, contact CRL directly to inquire if it is held.
CRL continues to acquire about 5,000 titles per year from major universities.

The NDLTD is an international organization dedicated to promoting the adoption, creation, use, dissemination, and preservation of electronic theses and dissertations (ETDs).
The NDLTD Catalog contains more than one million records of electronic theses and dissertations. For students and researchers, the Union Catalog makes individual collections of NDLTD member institutions and consortia appear as one seamless digital library of ETDs.

This site holds a database of voluntarily-registered, author-identified doctoral dissertations in progress around the world. Its goal is to avoid duplications in doctoral dissertations, create the ultimate meeting place for researchers, and allow for interaction between them. Bear in mind, though, that only dissertations which have been registered by their authors can be found in the database. Registration and access to the database are free.

This is your central access point for Canadian theses. From here you will be able to:
- search AMICUS, Canada's national online catalog, for bibliographic records of all theses in Library and Archives Canada's theses collection;
- access & search the full text electronic versions of numerous Canadian theses and dissertations;
- find out everything you need to know about Theses Canada, including how to find a thesis, information on copyright, etc.