Guide to Dissertations and Theses

OATD.org aims to be the best possible resource for finding open access graduate theses and dissertations published around the world. Metadata (information about the theses) comes from over 1100 colleges, universities, and research institutions. OATD currently indexes 5,082,716 theses and dissertations

Global database of over 5 million dissertations and theses.

Provides free, full text access to American dissertations. Previously available in print as Doctoral Dissertations Accepted by American Universities

ProQuest open access to electronic theses and dissertations