BRIEF [O.A.] Camerano, Lorenzo Author: Camerano, Lorenzo Recipient: Haeckel, Ernst Corporation: Museo Zoologico di Torino Dating: 20.02.1890
BRIEF [O.A.] Camerano, Lorenzo Author: Camerano, Lorenzo Recipient: Haeckel, Ernst Corporation: Museo Zoologico di Torino Dating: 30.06.1894
BRIEF [O.A.] Camerano, Lorenzo Author: Camerano, Lorenzo Recipient: Haeckel, Ernst Dating: 14.09.1898
BRIEF [O.A.] Camerano, Lorenzo Author: Camerano, Lorenzo Recipient: Haeckel, Ernst Dating: 30.11.1899
BRIEF [O.A.] Camerano, Lorenzo Author: Camerano, Lorenzo Recipient: Haeckel, Ernst Dating: 25.11.1901
BRIEF [O.A.] Camerano, Lorenzo Author: Camerano, Lorenzo Recipient: Haeckel, Ernst Dating: 29.11.1903
BRIEF [O.A.] Caporali, Enrico Author: Caporali, Enrico Recipient: Haeckel, Ernst Corporation: La Nuova Scienza Rivista dell'Istruzione Superiore Dating: 02.10.1894
BRIEF [O.A.] Carati, Ernesto Author: Carati, Ernesto Recipient: Haeckel, Ernst Corporation: R. Università di Bologna Dating: 19.01.1909