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Dissertations and Theses

Resources for writing, submitting, and locating dissertations at Catholic University

What has been written on my topic?

Proquest Dissertations and Theses Global

The database contains information about doctoral dissertations and select master's theses. The database represents the work of authors from over 1,000 North American graduate schools and select European universities. The database includes citations for materials ranging from the first U.S. dissertation, accepted in 1861, to those accepted as recently as last semester.

Networked Digital Library of Theses and Dissertations (NDLTD)

The NDLTD Union Catalog contains more than five million records of electronic theses and dissertations.

OhioLINK: Electronic Theses & Dissertations Center

Browse electronic theses and dissertations from over 36 participating colleges and universities in the state of Ohio. The full-text is also available if it was submitted.

HathiTrust Digital Library

The HathiTrust Digital Library includes millions of books, dissertations, government publications, journals, and other published and unpublished materials digitized from collections in libraries around the world. Access to the material falls under three different categories: Temporary Access, Full View, and Limited (search-only).

Internet Archive

Many institutions have put their dissertation collection in the Internet Archive.

Google Scholar

The Google Scholar index includes most academic journals, books, conference papers, theses and dissertations, and other scholarly material. An effective way to search for the dissertation is to place the title in quotes, followed by the author last name. Example search: "The Existence and Cognoscibility of Spiritual Substance" Kengla.

Submitting Interlibrary Loan Requests for Dissertations Catholic University Does not Own

Students and faculty can obtain a copy of a dissertation or thesis that is not available in ProQuest Dissertations and Theses Global by submitting an interlibrary loan request. Please contact the ILL department at if you have any questions.

You may be able to purchase dissertations directly through UMI Dissertation Express. Please contact the ILL department at if you have any questions.