BRIEF [O.A.] Scherzer, Ritter Karl von Author: Scherzer, Ritter Karl von Recipient: Haeckel, Ernst Dating: 07.02.1873
BRIEF [O.A.] Scherzer, Ritter Karl von Author: Scherzer, Ritter Karl von Recipient: Haeckel, Ernst Dating: 29.10.????
BRIEF [O.A.] Scherzer, Ritter Karl von Author: Scherzer, Ritter Karl von Recipient: Haeckel, Ernst Dating: 03.04.????
BRIEF [O.A.] Scherzer, Ritter Karl von Author: Scherzer, Ritter Karl von Recipient: Haeckel, Ernst Dating: 03.04.????
BRIEF [O.A.] Ozanian, Miridjan Author: Ozanian, Miridjan Recipient: Haeckel, Ernst Dating: 10.02.1912
BRIEF [O.A.] Künzel, Georg Author: Künzel, Georg Recipient: Haeckel, Ernst Corporation: Conseil D`Administration Dating: 12.09.1895
BRIEF [O.A.] Künzel, Georg Author: Künzel, Georg Recipient: Haeckel, Ernst Corporation: Conseil D`Administration Dating: 26.08.1895
BRIEF [O.A.] Schwaab, Carl N... Author: Schwaab, Carl N... Recipient: Haeckel, Ernst Dating: 24.10.1874