ProQuest Dissertations and Theses
A comprehensive collection of dissertations and theses from around the world from 1861-present.
Full text since 1997, with strong retrospective full text coverage for older graduate works.
Abstracts since 1980 for doctoral dissertations and since 1988 for masters' theses.
Citations since 1861.
Citations are indexed in Web of Science in the ProQuest ™ Dissertations & Theses Citation Index collection.