BRIEF OHNE UMSCHLAG Alfano, Giuseppe Edoardo Author: Alfano, Giuseppe Edoardo Recipient: Haeckel, Ernst Dating: 09.09.1905
POSTKARTE Alfano, Giuseppe Edoardo Author: Alfano, Giuseppe Edoardo Recipient: Haeckel, Ernst Dating: 26.11.1905
POSTKARTE Alfano, Giuseppe Edoardo Author: Alfano, Giuseppe Edoardo Recipient: Haeckel, Ernst Dating: ??.03.1906
BRIEF [O.A.] Alfano, Giuseppe Edoardo Author: Alfano, Giuseppe Edoardo Recipient: Haeckel, Ernst Dating: 18.05.1911
POSTKARTE Alfano, Giuseppe Edoardo Author: Alfano, Giuseppe Edoardo Recipient: Haeckel, Ernst Dating: 21.07.1919
POSTKARTE Scherzer, Ritter Karl von Author: Scherzer, Ritter Karl von Recipient: Haeckel, Ernst Dating: 08.02.1892
BRIEF [O.A.] Schiattarella, Raffaele Author: Schiattarella, Raffaele Recipient: Haeckel, Ernst Dating: 16.09.1883
BRIEF [O.A.] Pintacuda, Guido Andrea Author: Pintacuda, Guido Andrea Recipient: Haeckel, Ernst Dating: 08.10.1891