BRIEF [O.A.] Edwards, Arthur M... Author: Edwards, Arthur M... Recipient: Haeckel, Ernst Dating: 30.12.1890
BRIEF [O.A.] Edwards, Arthur M... Author: Edwards, Arthur M... Recipient: Haeckel, Ernst Dating: 20.06.1893
BRIEF [O.A.] Edwards, Arthur M... Author: Edwards, Arthur M... Recipient: Haeckel, Ernst Dating: 21.04.1895
BRIEF [O.A.] Edwards, Arthur M... Author: Edwards, Arthur M... Recipient: Haeckel, Ernst Dating: 09.04.1897
BRIEF [O.A.] Edwards, Arthur M... Author: Edwards, Arthur M... Recipient: Haeckel, Ernst Dating: 16.04.1898