British Theses can be found on the ETHOS repository. The British Library's electronic thesis online service offers access to theses from participating institutions by Registering with ETHOS. Some Theses are free to download.
European Theses can be found on the DART–EUROPE E-THESES PORTAL. Access the abstracts of 1000’s of theses from British & European universities. The DART-Europe partners help to provide researchers with a single European Portal for the discovery of Electronic Theses and Dissertations. Many Theses can be accessed free of charge
PhD on Track is a resource for PhD students who are beginning their research career, and who want to learn more about information- and literature for research purposes, and about how to publish research.
International Theses – Search OCLC WorldCAT – WorldCat is a Union Catalogue that itemises the collections of 72,000 libraries in 170 countries and territories. Find Abstracts Only.
ResearchGate is the professional network for scientists and researchers. Over 15 million members from all over the world use it to share, discover, and discuss research. ResearchGate connects the world of science and makes research open to all. Access 130+ million publications and connect with 15+ million researchers.