BRIEFENTWURF
Haeckel, Ernst
Author:
Haeckel, Ernst
Recipient:
Vollert, Max
Dating:
04.11.1913
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BRIEF OHNE UMSCHLAG
Haeckel, Ernst
Author:
Haeckel, Ernst
Recipient:
Vollert, Max
Dating:
28.10.1913
BRIEF OHNE UMSCHLAG
Haeckel, Ernst
Author:
Haeckel, Ernst
Recipient:
Vollert, Max
Dating:
20.05.1910