Doctoral dissertations and master's theses.
- Full text provided for University of California dissertations published since 1997
- Abstract and other information provided for dissertations and theses from other Universities
- Abstracts available for dissertations published after 1980 and for theses published after 1988
- Covers from 1861 to the present. To find dissertations published prior to 1861, use WorldCatDissertations.