1
Book Collection • Fulltext Database
ProQuest Dissertations and Theses Global is the world's most comprehensive collection of dissertations and theses, covering materials back to the first U.S. dissertation, accepted in 1861, as well as to European dissertations from the 17th century. The database is the official dissertations repository for the Library of Congress, with 4 million bibliographic citations, 2 million full texts, 3000 contributing Institutions worldwide and 130,000 works added annually.