BRIEF [O.A.] Carpenter, Wm... L... Author: Carpenter, Wm... L... Recipient: Haeckel, Ernst Corporation: British Association for the Advancement of Science Dating: 21.07.1875
BRIEF [O.A.] Lee, Arthur Author: Lee, Arthur Recipient: Haeckel, Ernst Corporation: British Association for the Advancement of Science Dating: 27.01.1898
BRIEF [O.A.] Lee, Arthur Author: Lee, Arthur Recipient: Haeckel, Ernst Corporation: British Association for the Advancement of Science Dating: 02.08.1898