Bibliografie
Medieval letters and letter collections as historical sources: methodological questions and reflections and research perspectives (6th-14th centuries). Studi Medievali. 2009;50(1):41-73. .
Cinq lettres inconnues d’Etienne de Tournai. Sacris Erudiri. 2006;45:353-378. .
Medieval Letter-Collections as a Mirror of Circles of Friendship? The Example of Stephen of Tournai. 1128-1203. Belgisch Tijdschrift voor Filologie en Geschiedenis. 2005;83:285-300. .