BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 04.03.1917
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 01.04.1917
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 15.02.1918
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 14.02.1919
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 15.02.1913
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
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 15.02.1915
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 15.02.1916
BRIEF [O.A.] Budie-Klauke, Else Author: Budie-Klauke, Else Recipient: Haeckel, Ernst Dating: 15.02.1917