Obligationes

von Guillelmus Buser
Guglielmo Buser, Guilelmus Berzel, Guilelmus Burselle, Guilelmus Busel, Guilelmus Buserus, Guillaume Buser, Guillelmus Buser, Guillelmus Buserus, Guillelmus Buzer de Heusden, Wilhelmus Gilberti Buser, William Buser, William of Heusden