Dissertations & Theses (Proquest) (Provides online, full text access to nearly one million dissertations published from 1997, by authors at over 700 participating institutions. The database also includes citations and abstracts to over 2.4 million titles, including dissertation abstracts from 1980, abstracts for Masters theses from 1988, and citations for dissertations from 1637. Thumbnail preview pages are available for many dissertations. More than 65,000 dissertation and theses are added each year. Dissertations and Theses: Full Text is searchable by author, subject, advisor, and degree granting institution, among other fields).
Can't locate a desired thesis or dissertation online? If you have a reference to a completed thesis or dissertation, but cannot open up a full-text version online (e.g., via the aforementioned database - or other online databases) - you can consider: