BRIEF [O.A.] Foullon, Clementine Author: Foullon, Clementine Recipient: Haeckel, Ernst Dating: 06.05.1878
BRIEF [O.A.] Foullon, Clementine Author: Foullon, Clementine Recipient: Haeckel, Ernst Dating: 22.07.1878
BRIEF [O.A.] Foullon, Clementine Author: Foullon, Clementine Recipient: Haeckel, Ernst Dating: 29.07.1878
BRIEF [O.A.] Foullon, Clementine Author: Foullon, Clementine Recipient: Haeckel, Ernst Dating: 26.03.1878
BRIEF [O.A.] Perles, Moritz Author: Perles, Moritz Recipient: Haeckel, Ernst Corporation: Moritz Perles Buchhandlung Dating: 29.03.1878
BRIEF [O.A.] Recipient: Haeckel, Ernst Corporation: Leseverein der deutschen Studenten Wiens Dating: 15.07.1878
BRIEF [O.A.] Neumann-Spallart, F... X... v. Author: Neumann-Spallart, F... X... v. Recipient: Haeckel, Ernst Dating: 18.03.1878
BRIEF [O.A.] Nordmann, Johannes Author: Nordmann, Johannes Recipient: Haeckel, Ernst Dating: 03.08.1878
BRIEF [O.A.] Billroth, Theodor Author: Billroth, Theodor Recipient: Haeckel, Ernst Dating: 19.02.1878