BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Agnes; Haeckel, Charlotte Dating: 06.03.1882
BRIEF OHNE UMSCHLAG Haeckel, Ernst Author: Haeckel, Ernst Recipient: Haeckel, Agnes Dating: 06.03.1882
BRIEF OHNE UMSCHLAG Ankenbrand, Ludwig Author: Ankenbrand, Ludwig Recipient: Haeckel, Ernst Dating: 15.03.1914
BRIEF OHNE UMSCHLAG Freudenberg, Philipp Author: Freudenberg, Philipp Recipient: Haeckel, Ernst Dating: 18.07.1881
BRIEF OHNE UMSCHLAG James, Walter Knight Author: James, Walter Knight Recipient: Haeckel, Ernst Corporation: Government Normal Institution Dating: 20.03.1883
BRIEF OHNE UMSCHLAG James, Walter Knight Author: James, Walter Knight Recipient: Haeckel, Ernst Corporation: Government Normal Institution Dating: 08.01.1883
BRIEF OHNE UMSCHLAG Ravenscroft, William Henry Author: Ravenscroft, William Henry Recipient: Haeckel, Ernst Dating: 07.12.1881