BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 15.02.1914
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 11.05.1919
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 13.05.1919
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 30.05.1919
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 05.06.1919
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 15.06.1919
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 06.07.1919
BRIEF [O.A.] Huldschinsky, Carl Author: Huldschinsky, Carl Recipient: Haeckel, Ernst Dating: 16.07.1919