BRIEF OHNE UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 20.04.1894
BRIEF OHNE UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 28.11.1892
BRIEF OHNE UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 05.12.1892
BRIEF MIT UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 06.01.1893
BRIEF OHNE UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 23.01.1893
BRIEF OHNE UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 16.02.1893
BRIEF OHNE UMSCHLAG Carter, Franklin B. Author: Carter, Franklin B. Recipient: Haeckel, Ernst Dating: 08.11.1893