ProQuest Dissertations & Theses Global (PQDT) This link opens in a new windowProQuest Dissertations and Theses is the world's most comprehensive collection of full-text dissertations and theses. As the official digital dissertations archive for the Library of Congress and as the database of record for graduate research, PQDTGlobal includes millions of searchable citations to dissertations and theses from 1861 to the present.
