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BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
19.09.1870
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
16.02.1871
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
29.03.1872
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
07.04.1872
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
02.01.1880
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
24.01.1880
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
15.03.1906
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Gegenbaur, Carl
Dating:
21.08.1896
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
02.02.1893
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
22.09.1893
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