BRIEF [O.A.] Tail, Peter Guthrie Author: Tail, Peter Guthrie Recipient: Haeckel, Ernst Dating: 21.06.1899
BRIEF [O.A.] Tail, Peter Guthrie Author: Tail, Peter Guthrie Recipient: Haeckel, Ernst Dating: 09.02.1888
BRIEF [O.A.] Tail, Peter Guthrie Author: Tail, Peter Guthrie Recipient: Haeckel, Ernst Dating: 24.11.1894
BRIEF [O.A.] Chumley, James Author: Chumley, James Recipient: Haeckel, Ernst Corporation: Challenger Expedition Office Dating: 09.02.1886
BRIEF [O.A.] Chumley, James Author: Chumley, James Recipient: Haeckel, Ernst Corporation: Challenger Lodge Dating: 27.03.1914
BRIEF [O.A.] Bruce, W... S... Author: Bruce, W... S... Recipient: Haeckel, Ernst Corporation: Scottish Oceanographical Laboratory Dating: 10.02.1909