Zoology - Ornithology Koenig, Alexander The birds of the Nile. 2nd vol. the birds of prey. With 55 plates, mostly in colour. Bonn, (self-publ. 1936) 2 vols. 188 pp. 4°. Softcover in jacket (jacket with tears, stained, brochure slightly bumped). Nissen, IVB 524 - With dedication in manuscript by A. Koenig. Dedication by A. Koenig to Ralf Wichmann. - The only part of this series published during Koenig's lifetime. Niethammer's work forms the posthumously published first part of Koenig's work. - Margins slightly browned. Overall in very good condition. - Includes: Günther Niethammer. Alexander Koenig's Travels on the Nile. With 20 plates and further illustrations. Bonn, Alexander Koenig Foundation, 1964. 4°. HLwd. with illsutrated cover. - A. Koenig. The falconids of Egypt. With 1 plate. Journal for Ornithology, 1907. 8°. Soft cover. - A. Koenig. The vultures of Egypt. With 2 heliogravures and 2 coloured plates. Journal for Ornithology, 1907. 8°. Soft cover. Zoology. - Ornithology. - With 55 mostly coloured plates. Paper cover in jacket (jacket with tears, stained, cover slightly bumped). - With handwritten dedication by A. Koenig to Ralf Wichmann. - The only part of this series published during Koenig's lifetime. Niethammer's work forms the posthumously published first part of Koenig's work. - Margins slightly browned. Overall in very good condition. This lot is taxed. The hammer price is subject to a 24.95% buyer's premium and the final invoice amount to 7% (books, art) or 19% VAT (manuscripts, silkscreens, offset prints, photographs) in the European Union. This work is subject to the regular margin scheme. There is a 24.95% buyer's premium on the hammer price and 7% (Books and Art) or 19% VAT (Manuscripts, Screenprints, Offsetprints and Photographs) on the final invoice amount in the European Union.