Our database Dissertations and Theses provides access to the most comprehensive collection of doctoral dissertations and master's theses in the world. Dissertations from 1980 forward include 350-word abstracts and Master's theses from 1988 forward include 150-word abstracts. Full text is available for most dissertations since 1997 with many available for download in PDF format. Approximately 70,000 new dissertations and theses are added each year. Coverage is from 1861 to the present.
