400 Ph. D. theses on Middle Eastern and Islamic studies have been digitized and released in a partnership between the British Library and the Chicago-based Center for Research Libraries. They will be available for free through the British Library’s EThOS (Electronic Theses Online) service.
Interestingly, EThOS is funded by 111 partner UK universities. More than 38,000 theses have been digitized and are available for free download. More information here.