BRIEF OHNE UMSCHLAG Rolleston, George Author: Rolleston, George Recipient: Haeckel, Ernst Dating: 15.08.1870
POSTKARTE Romanes, George John Author: Romanes, George John Recipient: Haeckel, Ernst Dating: 31.09.1891
POSTKARTE Romanes, George John Author: Romanes, George John Recipient: Haeckel, Ernst Dating: 23.05.1893
POSTKARTE Romanes, George John Author: Romanes, George John Recipient: Haeckel, Ernst Dating: 05.06.1893
BRIEF [O.A.] Doble, C... E... Author: Doble, C... E... Recipient: Haeckel, Ernst Corporation: The Clarendon Press Dating: 31.01.1894
BRIEF [O.A.] Huxley, Leonard Author: Huxley, Leonard Recipient: Haeckel, Ernst Corporation: Oxford Union Society Dating: 21.06.1881
BRIEF OHNE UMSCHLAG Lankester, Edwin Ray Author: Lankester, Edwin Ray Recipient: Haeckel, Ernst Corporation: Exeter College Dating: 27.02.1876
BRIEF OHNE UMSCHLAG Lankester, Edwin Ray Author: Lankester, Edwin Ray Recipient: Haeckel, Ernst Dating: 13.03.1894
BRIEF OHNE UMSCHLAG Lankester, Edwin Ray Author: Lankester, Edwin Ray Recipient: Haeckel, Ernst Dating: 19.10.1875
BRIEF OHNE UMSCHLAG Lankester, Edwin Ray Author: Lankester, Edwin Ray Recipient: Haeckel, Ernst Dating: 29.01.1874