ProQuest Dissertations & Theses (Formerly known as Disssertation Abstracts)
Subjects covered: ProQuest Dissertations and Theses — Full text is the world's most comprehensive collection of dissertations and theses. The official digital dissertations archive for the Library of Congress and the database of record for graduate research.
Content and Dates covered: 1861 - present: Dissertations.
1962 - present: Masters theses have been selectively indexed.
1980 - present: Abstracts are included for dissertations.
1997 - present: Where available, PQDT provides 24 page previews of dissertations and theses
Updated: Regularly
Provider: ProQuest
Help using this database: ProQuest Online Help