BRIEF [O.A.] Noble, Charles P... Author: Noble, Charles P... Recipient: Haeckel, Ernst Dating: 09.07.1914
BRIEF [O.A.] Noble, Charles P... Author: Noble, Charles P... Recipient: Haeckel, Ernst Dating: 18.06.1914
BRIEF [O.A.] Noble, Charles P... Author: Noble, Charles P... Recipient: Haeckel, Ernst Dating: 12.08.1914