BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Charlotte Dating: 19.09.1876
BRIEF OHNE UMSCHLAG Günther, Albert Author: Günther, Albert Recipient: Haeckel, Ernst Corporation: British Museum Dating: 21.10.1876
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 15.01.1876
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 21.01.1876
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 14.05.1876
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 12.08.1876
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 16.09.1876
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 31.12.1876
BRIEF OHNE UMSCHLAG Lankester, Edwin Ray Author: Lankester, Edwin Ray Recipient: Haeckel, Ernst Corporation: Exeter College Dating: 27.02.1876
