4 Titel in S 1310
zu den FilteroptionenBrief an Professor [Ernst aus'm Weerth]
Mainz, 20.08.1901 [20.8. [19]01]Brief an Professor [Ernst aus'm Weerth]
Berlin, 17.07.1901 [17.7. [19]01]Brief an Professor [Ernst aus'm Weerth]
Berlin, 25.06.1901 [25.6. [19]01]Brief an Professor [Ernst aus'm Weerth]
Mainz, 24.08.1901 [24. Aug. [19]01]