BRIEF [O.A.] Thomson, Charles Wyville Author: Thomson, Charles Wyville Recipient: Haeckel, Ernst Dating: 14.08.1881
BRIEF OHNE UMSCHLAG Thomson, Charles Wyville Author: Thomson, Charles Wyville Recipient: Haeckel, Ernst Dating: 10.01.1881
BRIEF OHNE UMSCHLAG Thomson, Charles Wyville Author: Thomson, Charles Wyville Recipient: Haeckel, Ernst Corporation: University Edinburgh Dating: 26.04.1881
BRIEF OHNE UMSCHLAG Thomson, Charles Wyville Author: Thomson, Charles Wyville Recipient: Haeckel, Ernst Corporation: University Edinburgh Dating: 01.04.1881
BRIEF OHNE UMSCHLAG Thomson, Charles Wyville Author: Thomson, Charles Wyville Recipient: Haeckel, Ernst Corporation: University Edinburgh Dating: 12.05.1881