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BRIEF [O.A.]
Haefeli, Leo
Author:
Haefeli, Leo
Recipient:
Haeckel, Ernst
Dating:
03.10.1877
BRIEF [O.A.]
Dewey, John W...
Author:
Dewey, John W...
Recipient:
Haeckel, Ernst
Dating:
05.04.1893
BRIEF [O.A.]
Ramseyer, Adolf A...
Author:
Ramseyer, Adolf A...
Recipient:
Haeckel, Ernst
1–3
of 3
1