BRIEF [O.A.] Attwood, John E... Author: Attwood, John E... Recipient: Haeckel, Ernst Dating: 15.03.1896
BRIEF [O.A.] Baker, Charles Frederick Author: Baker, Charles Frederick Recipient: Haeckel, Ernst Dating: 22.03.1896
BRIEF [O.A.] Barten, James Emmanuel Author: Barten, James Emmanuel Recipient: Haeckel, Ernst Corporation: E. Young & Co. Ld. Dating: 18.06.1896
BRIEF [O.A.] Bather, Francis Arthur Author: Bather, Francis Arthur Recipient: Haeckel, Ernst Corporation: British Museum (Natural History) Dating: 17.10.1896