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.] Cossat, Alfonso Author: Cossat, Alfonso Recipient: Haeckel, Ernst Corporation: Reale Accademia delle Scienze Dating: 09.01.1883