BRIEF [O.A.] Salamau, Seymour J... Author: Salamau, Seymour J... Recipient: Haeckel, Ernst Dating: 14.05.1911
POSTKARTE Salamau, Seymour J... Author: Salamau, Seymour J... Recipient: Haeckel, Ernst Dating: 20.08.1913
POSTKARTE Salamau, Seymour J... Author: Salamau, Seymour J... Recipient: Haeckel, Ernst Dating: 12.08.1913