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