- ADT – Australasian Digital Theses Program
- British Library – EThOS (Electronic Theses Online Service)
- theses.fr
- Cornell University : Theses and Dissertations
- Florida State University
- Göttingen State and University Library – MathDiss database (Mathematical dissertations)
- Aalto University
- Faculty of Geo-Information
Science and Earth Observation of the University of Twente - ETH Zurich (Eidgenössische Technische Hochschule Zürich)
- University of Groningen Digital Archive
- Kyoto University – Thesis or Dissertation
- Université Laval
- The University of Maine
- The University of Nottingham – Nottingham eTheses
- Wageningen University – Dissertations Abstracts