BRIEF OHNE UMSCHLAG Claus, Rudolph Moritz Author: Claus, Rudolph Moritz Recipient: Haeckel, Ernst Dating: 02.03.1872
BRIEF OHNE UMSCHLAG Claus, Rudolph Moritz Author: Claus, Rudolph Moritz Recipient: Haeckel, Ernst Dating: 03.03.1872
BRIEF OHNE UMSCHLAG Günther, Wihelm August Author: Günther, Wihelm August Recipient: Haeckel, Ernst Dating: 08.03.1872
BRIEF OHNE UMSCHLAG Beinling, Rudolf Theodor Author: Beinling, Rudolf Theodor Recipient: Haeckel, Ernst Dating: 11.03.1872
BRIEF OHNE UMSCHLAG Bäer, Eduard; Seydeweck, A. Author: Bäer, Eduard; Seydeweck, A. Recipient: Haeckel, Ernst Dating: 13.03.1872
BRIEF OHNE UMSCHLAG Ritgen, Hugo von Author: Ritgen, Hugo von Recipient: Haeckel, Ernst Dating: 19.03.1872
BRIEF OHNE UMSCHLAG Claus, Rudolph Moritz Author: Claus, Rudolph Moritz Recipient: Haeckel, Ernst Dating: 20.03.1872
BRIEF OHNE UMSCHLAG Schmitt, August Author: Schmitt, August Recipient: Haeckel, Ernst Corporation: B. G. Teubner Buchhandlung Dating: 22.03.1872