BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 16.02.1914
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 05.05.1914