BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Dating: 23.07.1894
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Dating: 20.12.1894
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Dating: 07.01.1895
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Corporation: Florenz - Clinica di S. Salvi Dating: 15.01.1898
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Dating: 30.05.1901
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Corporation: Physiologisches Institut Dating: 15.10.1901
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Dating: 26.01.1904
BRIEF [O.A.] Herlitzka, Amadeo Author: Herlitzka, Amadeo Recipient: Haeckel, Ernst Dating: 04.08.1894