ProQuest Dissertations & Theses Global Indexes doctoral dissertations completed in the U.S. Includes some master's theses and foreign language dissertations. Full text of many dissertations 1997-. For UConn theses and dissertations from 2012- present see OpenCommons@UConn links below.. Holdings start in 1861 and go to the present day. Full-text coverage is best starting in 1997, but full text of older dissertations can also be found.