Coverage: 1861 - Current. With more than 2 million entries, PQD&T is the single, central, authoritative resource for information about doctoral dissertations and master’s theses. Dissertations published from 1980 forward include 350-word abstracts written by the author. Master’s theses published from 1988 forward include 150-word abstracts. UMI offers over 1.8 million titles for purchase in microfilm or paper formats. More than 600,000 are available in native or image PDF formats for immediate free download.

CRL’s Dissertations from Universities Outside the U.S. and Canada Database provides access to the Center for Research Libraries’ holdings of more than over 800,000 foreign doctoral dissertations from more than 90 countries and over 1200 institutions. The Center will order titles not held if requested by a member institution.