[1]
B. Ebels-Hoving, “W. Verbeke, Serta devota. In memoriam Guillelmi Lourdaux, Pars posterior, Cultura mediaevalis”, BMGN-LCHR, vol. 112, no. 3, pp. 382–383, Jan. 1997, doi: 10.18352/bmgn-lchr.4509.