BRIEFENTWURF Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Dating: 06.06.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Corporation: Großherzogl. und Herzogl. Sächs. Gesamt-Universität Dating: 07.06.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Dating: 28.05.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Dating: 04.07.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Dating: 17.07.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Dating: 22.07.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Dating: 28.07.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Corporation: Großherzogl. und Herzogl. Sächs. Gesamt-Universität Dating: 24.04.1919
BRIEF [O.A.] Hedemann, Justus Wilhelm Author: Hedemann, Justus Wilhelm Recipient: Haeckel, Ernst Corporation: Großherzogl. und Herzogl. Sächs. Gesamt-Universität Dating: 25.04.1919