BRIEF OHNE UMSCHLAG Bennett, C. W. Author: Bennett, C. W. Recipient: Haeckel, Ernst Corporation: Bennett's Newspaper Subscription Agency Dating: 01.10.1908
BRIEF OHNE UMSCHLAG Bennett, C. W. Author: Bennett, C. W. Recipient: Haeckel, Ernst Corporation: Scottish Union & National Insurance Company Dating: 16.02.1910
BRIEF OHNE UMSCHLAG Bennett, C. W. Author: Bennett, C. W. Recipient: Haeckel, Ernst Corporation: Scottish Union & National Insurance Company Dating: 14.06.1910
BRIEF [O.A.] Behlendorf, Frederick Otto Thenius Author: Behlendorf, Frederick Otto Thenius Recipient: Haeckel, Ernst Dating: 08.05.1886
BRIEF [O.A.] Arnold, C... L... Author: Arnold, C... L... Recipient: Haeckel, Ernst Corporation: The Arnold Home for the Aged and Hospital for Incurables Dating: 08.01.1908
BRIEF [O.A.] Agassiz, Alexander Author: Agassiz, Alexander Recipient: Haeckel, Ernst Dating: 19.10.1874
BRIEF [O.A.] Fossen, John B... van Author: Fossen, John B... van Recipient: Haeckel, Ernst Dating: 04.04.1904
BRIEF [O.A.] Kinsey, Frank C... Author: Kinsey, Frank C... Recipient: Haeckel, Ernst Dating: 15.01.1913