BRIEF OHNE UMSCHLAG Nightingale, Frederic Author: Nightingale, Frederic Recipient: Haeckel, Ernst Dating: 20.01.1904
BRIEF OHNE UMSCHLAG Miklucho-Maclay, Margaret de Author: Miklucho-Maclay, Margaret de Recipient: Haeckel, Ernst Dating: 10.09.1893
BRIEF OHNE UMSCHLAG Ankenbrand, Ludwig Author: Ankenbrand, Ludwig Recipient: Haeckel, Ernst Dating: 04.02.1916
BRIEF OHNE UMSCHLAG Ankenbrand, Ludwig Author: Ankenbrand, Ludwig Recipient: Haeckel, Ernst Corporation: Concentration Camps Dating: 16.02.1917
BRIEF OHNE UMSCHLAG Behrendt, Peter Author: Behrendt, Peter Recipient: Haeckel, Ernst Corporation: Palmer, Scott & Co. Dating: 12.12.1882
BRIEF OHNE UMSCHLAG Carter, Henry G. Author: Carter, Henry G. Recipient: Haeckel, Ernst Corporation: Carter & Sons Dating: 30.06.1911
BRIEF OHNE UMSCHLAG Haacke, Wilhelm Author: Haacke, Wilhelm Recipient: Haeckel, Ernst Corporation: Public Library, Museum, and Art Gallery of South Australia Dating: 24.10.1884