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Farbenfabriken vorm. Friedr. Bayer & Co., Pharmaceutische Abteilung
(1)
Farbenfabriken vormals Friedrich Bayer & Co.
(1)
Gesellschaft für experimentelle Tierpsychologie
(1)
Verein für wissenschaftliche Vorlesungen
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BRIEF [O.A.]
Leven, Leonhard
Author:
Leven, Leonhard
Recipient:
Haeckel, Ernst
Dating:
08.02.1906
BRIEF [O.A.]
Leven, Leonhard
Author:
Leven, Leonhard
Recipient:
Haeckel, Ernst
Dating:
15.03.1906
BRIEF [O.A.]
Krukenberg, H...
Author:
Krukenberg, H...
Recipient:
Haeckel, Ernst
Dating:
23.10.1911
BRIEF OHNE UMSCHLAG
Krall, Karl
Author:
Krall, Karl
Recipient:
Haeckel, Ernst
Dating:
09.11.1915
BRIEF OHNE UMSCHLAG
Krall, Karl
Author:
Krall, Karl
Recipient:
Haeckel, Ernst
Dating:
28.10.1916
BRIEF OHNE UMSCHLAG
Krall, Karl
Author:
Krall, Karl
Recipient:
Haeckel, Ernst
Dating:
17.02.1919
BRIEF OHNE UMSCHLAG
Krall, Karl
Author:
Krall, Karl
Recipient:
Haeckel, Ernst
Dating:
06.07.1918
BRIEF OHNE UMSCHLAG
Krall, Karl
Author:
Krall, Karl
Recipient:
Haeckel, Ernst
Dating:
27.07.1918
BRIEF [O.A.]
Leven, Leonhard
Author:
Leven, Leonhard
Recipient:
Haeckel, Ernst
Dating:
27.10.1906
BRIEF [O.A.]
Leven, Leonhard
Author:
Leven, Leonhard
Recipient:
Haeckel, Ernst
Dating:
05.01.1907
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