BRIEF OHNE UMSCHLAG Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Dating: 02.02.1888
BRIEF OHNE UMSCHLAG Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Corporation: National Association for the Advancement of Art Dating: 04.09.1889
BRIEF OHNE UMSCHLAG Geddes, Patrick Author: Geddes, Patrick Recipient: Haeckel, Ernst Dating: 11.11.1883
BRIEF OHNE UMSCHLAG Pearcey, Frederick Gordon Author: Pearcey, Frederick Gordon Recipient: Haeckel, Ernst Corporation: Challenger Expedition Office Dating: 04.02.1889
BRIEF OHNE UMSCHLAG Thomson, Arthur John Author: Thomson, Arthur John Recipient: Haeckel, Ernst Dating: 10.07.1890
BRIEF OHNE UMSCHLAG Thomson, Arthur John Author: Thomson, Arthur John Recipient: Haeckel, Ernst Dating: 21.07.1890
BRIEF OHNE UMSCHLAG Thomson, Arthur John Author: Thomson, Arthur John Recipient: Haeckel, Ernst Dating: 22.12.1896
BRIEF OHNE UMSCHLAG Thomson, Charles Wyville Author: Thomson, Charles Wyville Recipient: Haeckel, Ernst Dating: 23.08.1877
BRIEF OHNE UMSCHLAG F. G. Pearny Author: F. G. Pearny Recipient: Haeckel, Ernst Corporation: Challenger Expedition Office Dating: 25.02.1889
BRIEF OHNE UMSCHLAG Murray, John Author: Murray, John Recipient: Haeckel, Ernst Corporation: Challenger Expedition Office Dating: 15.03.1884