Brussels, Royal Library, MS II 3326 musAbraham van den Kerckhoven, Jacques La Fosse, Christian Erbach, Petrus Papen, Girolamo Frescobaldi, Jean Ferrard · First published 2018Open the Tome
Visual Mathematics, Illustrated by the TI-92 and the TI-89George C. Dorner, Jean M. Ferrard, Henri Lemberg · First published 2013Open the Tome
Actes du colloque XVIIe, XIXe, XXIe siècles, Bruxelles, carrefour européen de l'orgueJean Ferrard · First published 2003Open the Tome
Visual Mathematics Using the TI-92 and TI-89George C. Dorner, Jean M. Ferrard, Henri Lemberg · First published 2000Open the Tome
