BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 12.01.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 12.02.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 20.02.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 12.03.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 08.04.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 26.04.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: ??.??.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 23.07.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 15.08.1909
BRIEF [O.A.] Hintze, Wilhelmine Author: Hintze, Wilhelmine Recipient: Haeckel, Ernst Dating: 27.08.1909