Other finding aids
ProQuest Dissertations & Theses Global
ProQuest Dissertations & Theses Global is a collection of 5 million citations and 2.5 million full-text works from thousands of universities all over the world. Full-text coverage spans from 1743 to the present, with citations dating back to 1637.
Library Hub Discover
You can use Library Hub Discover to search the online catalogues of some of the UK’s largest university research libraries to see if the thesis has been purchased by another UK library. These theses may be obtained by current members of Oxford University via inter-library loan.
EBSCO Open Dissertations
EBSCO Open Dissertations provides a single search interface to locate open-access theses and dissertations from hundreds of universities, mostly in the UK and US. The full-text of theses may be downloaded by following the link to the institutional repository where the thesis is held.
Networked Digital Library of Theses and Dissertations (NDLTD)
Use the NDLTD to search over 6 million electronic theses and dissertations from around the world.
Open Access Theses and Dissertations (OATD)
Use OATD to find open access graduate theses and dissertations published around the world.
Individual universities
You can also go to individual US universities' sites for their online theses repositories.