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BRIEF [O.A.]
Fischer, Oscar
Author:
Fischer, Oscar
Recipient:
Haeckel, Ernst
Dating:
15.02.1906
BRIEF OHNE UMSCHLAG
Abel, Carl
Author:
Abel, Carl
Recipient:
Haeckel, Ernst
Dating:
04.05.1906
BRIEF OHNE UMSCHLAG
Heim, Leo
Author:
Heim, Leo
Recipient:
Haeckel, Ernst
Dating:
19.02.1906
1–3
of 3
1