Full text available from 1997- Selected full text prior to 1997.
Find citations for dissertations and theses from 1861 to the present.
Abstracts are available online 1980 to the present. Prior to 1980, entries indicate the source, volume, and page number in the following sources where the abstract is located: DAI-A (Dissertation abstracts international. A, Humanities and social sciences), DAI-B (Dissertation abstracts international. B, Science and engineering), or ADD (American Doctoral Dissertations)
Index to doctoral dissertations (primarily North American & UK), with links to open access copies when available. Incorporating American Doctoral Dissertations and Doctoral Dissertations Accepted by American Universities, 1933-1955.