Title: Die Mainzer Ablassbriefe der Jahre 1454 und 1455
Subjects: Facsimiles, History, Imprints, Incunabula, Manuscripts, Origin and antecedents, Printing
Places: Germany, Mainz (Rhineland-Palatinate), Mainz (Rhineland-Palatinate, Germany)
People: Johann Gutenberg (1397?-1468)