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 OHNE UMSCHLAG Auerbach, Felix Author: Auerbach, Felix Recipient: Haeckel, Ernst Dating: 07.01.1910
BRIEF OHNE UMSCHLAG Amerland, William H. Author: Amerland, William H. Recipient: Haeckel, Ernst Corporation: A. Leschen & Sons Rope Co. Dating: 26.05.1910
BRIEF OHNE UMSCHLAG Bölsche, Wilhelm Author: Bölsche, Wilhelm Recipient: Haeckel, Ernst Dating: ??.01.1910
BRIEF OHNE UMSCHLAG Bölsche, Wilhelm Author: Bölsche, Wilhelm Recipient: Haeckel, Ernst Dating: ??.11.1910
BRIEF OHNE UMSCHLAG Bölsche, Wilhelm Author: Bölsche, Wilhelm Recipient: Haeckel, Ernst Dating: nach dem 17.12.1910
