244 Ergebnisse
Verfasser
Empfänger
Filter:
- Altmann-Bronn, Ida (2)
- Bloch, Iwan (1)
- Bölsche, Johanna (2)
- Bölsche, Wilhelm (3)
- Ehlers, Ernst (1)
- Focke, Wilhelm Olbers (2)
- Grath, Anton (1)
- Gruyter, Walter de (1)
- Haeckel, Agnes (11)
- Haeckel, Elisabeth; Haeckel, Emma (1)
- Haeckel, Emma (1)
- Haeckel, Ernst (182)
- Haeckel, Ernst & Agnes [Eltern] (3)
- Haeckel, Ernst; Haeckel, Agnes (2)
- Haeckel, Ernst; Haeckel, Agnes [Eltern] (8)
- Haeckel, Ernst Heinrich Philipp August (1834-1919) (1)
- Haeckel, Heinrich (2)
- Heldburg, Helene von (2)
- Holgers, Maria (1)
- Jacobsohn, Siegfried (1)
- Kükenthal, Willy (1)
- Lehmann, Otto (1)
- May, Walther (1)
- Mentz, Georg (1)
- Mentz, Georg; Mentz, Frida (1)
- Schmidt, Ernst [incognito Ernst Haeckel] (1)
- Schneider, Hugo (1)
- Seegy (Segi), Hermann (1)
- Sethe, Bertha (1)
- Sprenger, Ernst (2)
- Sprenger, Gustav (1)
- Sprenger, Gustav; Sprenger, Therese (1)
- Sprenger, Therese (1)
- Verworn, Max; Verworn, Josephine (1)