Dissertations & Theses (ProQuest)
Formerly Digital Dissertations, ProQuest Dissertations and Theses Full Text is the most comprehensive collection of dissertations and theses available. It is the official digital dissertations archive for the Library of Congress and the database of record for graduate research. PQDT Full Text includes 2.4 million dissertation and theses citations from around the world (from 1861 to the present day) together with 1 million full-text dissertations that are available for download in PDF format. The database offers full text for most of the dissertations added since 1997 and strong retrospective full-text coverage for older graduate works.