BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 16.01.1911
BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 12.05.1911
BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 04.07.1911
BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 30.12.1911
BRIEF OHNE UMSCHLAG Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 04.10.1884
BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 13.03.1885
BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 16.05.1903
ANSICHTSKARTE Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 01.07.1903
ANSICHTSKARTE Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 09.04.1912
BRIEF [O.A.] Semon, Richard W... Author: Semon, Richard W... Recipient: Haeckel, Ernst Dating: 18.06.1912