Letter from Siegfried Passarge to Gottfried Merzbacher Add to clipboard Merzbacheriana II. File 1906-10-28 Part of Bavarian State Library In: Autographensammlung Bayerische Staatsbibliothek
Letter from Siegfried Passarge to Hans Ruppert Add to clipboard Autogr. Passarge, Siegfried File 1924-03-22 Part of Bavarian State Library In: Autographensammlung Bayerische Staatsbibliothek