Dissertations and Theses Online This link opens in a new windowContains information about doctoral dissertations and master's theses from over 1,000 North American and European universities. Includes citations ranging from the first U.S. dissertation, accepted in 1861, to ones accepted as recently as last semester. Of over 1.5 million titles listed, Proquest offers over a million in full text. For these titles, the citation includes the Proquest order number.