Hallgren, Thomas: Subtypes in Polymorphic Functional Languages. ISBN/ISSN: 91-7032-791-2

Caprotti, Olga; Angelov, Krasimir; Enache, Ramona; Hallgren, Thomas; Ranta, Aarne: The MOLTO Phrasebook. Swedish Language Technology Conference SLTC 2010,

Ranta, Aarne; Angelov, Krasimir; Hallgren, Thomas: Tools for multilingual grammar-based translation on the web. Proceedings of the ACL 2010 System Demonstrations,

Carlsson, Magnus; Hallgren, Thomas: Fudgets - Purely Functional Processes with applications to Graphical User Interfaces. Göteborg : Chalmers University of Technology. Diss.