BRIEF OHNE UMSCHLAG Huxley, Thomas Henry Author: Huxley, Thomas Henry Recipient: Haeckel, Ernst Corporation: The Royal School of Mines Dating: 24.04.1866
BRIEF OHNE UMSCHLAG Huxley, Thomas Henry Author: Huxley, Thomas Henry Recipient: Haeckel, Ernst Corporation: Geological Survey of Great Britain Dating: 18.10.1866
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 18.08.1866
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 20.10.1866
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 20.01.1866
BRIEF OHNE UMSCHLAG Darwin, Charles Author: Darwin, Charles Recipient: Haeckel, Ernst Dating: 01.02.1866
BRIEF [O.A.] Carpenter, William B. Author: Carpenter, William B. Recipient: Haeckel, Ernst Corporation: University of London Dating: 31.10.1866