EThOS has been created to offer a single point of access to UK theses and plays a significant role in showcasing UK research to the world. EThOS, which is hosted by the British Library, lists the theses awarded by all UK universities and estimates over 95% of all theses ever written are now included.
ProQuest Dissertations & Theses Global is the world's most comprehensive collection of dissertations and theses from around the world, spanning from 1743 to the present day and offering 24-page full text previews for graduate works added since 1997, along with selected previews for works written prior to 1997. It contains a significant amount of new international dissertations and theses both in citations and in full text.
The Theses Collection Wales includes approximately 50,000 theses and dissertations which have been presented for postgraduate degrees in higher educational institutions in Wales. The collection comprises theses and dissertations arising from all PhD and research Masters degrees, as well as taught Masters dissertations which have a Welsh interest or have gained a distinction.