Dissertations & Theses Dissertations & Theses includes bibliographic citations for the doctoral and master's work of authors from more than 1,000 graduate schools and universities dating back to 1861. More than 750,000 dissertations and theses from 1997 on have been digitized and are available for PDF download. Print copies of additional dissertations and theses not yet digitized are available for purchase. Citations for dissertations from 1980 forward include abstracts.