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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:
03.08.1896
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
18.06.1896
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
26.09.1896
POSTKARTE
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
29.08.1896
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
21.08.1896
BRIEF OHNE UMSCHLAG
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
16.04.1896
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
03.03.1896
BRIEF [O.A.]
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
15.02.1896
POSTKARTE
Haeckel, Karl
Author:
Haeckel, Karl
Recipient:
Haeckel, Ernst
Dating:
15.09.1896
1–10
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