* Afscheidsrede van Hilde de Ridder-Symoens als hoogleraar Middeleeuwse Geschiedenis die in verkorte vorm aan de Vrije Universiteit Amsterdam is uitgesproken op 27 september 2001 en gepubliceerd in maart 2002.

Valedictory lecture delivered on 27 September 2001 by Professor Hilde De Ridder-Symoens on the occasion of her retirement from teaching as Professor of Medieval History at the Vrije Universiteit Amsterdam, published in March 2002. (in Dutch)

*"Yesterday’s news? The language issue in higher education throughout history"
by Hilde de Ridder-Symoens, University of Ghent

Lecture held at the Conference "Between Babel and Anglo-Saxon Imperialism? English-taught-programmes and language policies in European Higher Education", 30 September 2005 (Academic Cooperation Association (ACA) - Club de la Fondation Universitaire/Universitaire Stichting)