Dissertationem Legalem De Confusione Obligationum / Pro Loco In florentissima illustris LL. nutricis Salanae Facultate Iuridica obtinendo ... publicae Eruditorum censurae & disquisitioni exhibet Godfrid Fibig Vratisl. Sil. ... Ad diem 23. Septembr. ... Jenae : Steinmann, 1640