BRIEF [O.A.] Reichardt-Stromberg, Mathilde Author: Reichardt-Stromberg, Mathilde Recipient: Haeckel, Ernst Dating: 15.01.1895
BRIEF [O.A.] Reichardt-Stromberg, Mathilde Author: Reichardt-Stromberg, Mathilde Recipient: Haeckel, Ernst Dating: 15.02.1895
BRIEF [O.A.] Reichardt-Stromberg, Mathilde Author: Reichardt-Stromberg, Mathilde Recipient: Haeckel, Ernst Dating: 03.08.1895
BRIEF [O.A.] Reichardt-Stromberg, Mathilde Author: Reichardt-Stromberg, Mathilde Recipient: Haeckel, Ernst Dating: 05.08.1895
BRIEF [O.A.] Reichardt-Stromberg, Mathilde Author: Reichardt-Stromberg, Mathilde Recipient: Haeckel, Ernst Dating: 27.12.1895