Oxford DPhil theses are deposited in the Bodleian Library, and now also in ORA. To find them search:
Index to Theses covers doctoral theses from Great Britain and Northern Ireland universities back to the year 1716.
EThoS - Electronic Theses Online Service from the British Library.
Both provide abstracts for most theses and full-text downloads.
Proquest's Dissertations and Theses with access to abstracts before purchasing the full-text.
ORA is a digital library of research publications by members of the University of Oxford.
It contains copies of journal articles, conference papers, working papers, theses, reports and other types of scholarly research publications.
The full text of many items is freely available. DPhil students now deposit a copy of their thesis in ORA.
If Oxford doesn't have the book, article or thesis you want, try our Document Supply service.