BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 04.08.1894
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 26.03.1895
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 09.04.1895
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 30.08.1895
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 29.12.1895
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 26.12.1896
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 03.09.1898
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 17.06.1896
BRIEF [O.A.] Bucchich, Gregorio Author: Bucchich, Gregorio Recipient: Haeckel, Ernst Dating: 06.03.1899