Pretty pigeons from 1906, taken from Emil Schachtzabel’s “Illustriertes Prachtwerk sämtlicher Tauben-rassen.” Schachtzabel was a government worker who also loved pigeons. Page 20 of Illustriertes Prachtwerk sämtlicher Tauben-rassen. 1906. Lithograph based on a watercolor template by Anton Schöner. In the public domain due to age. Collections of the American Museum of Natural History Library. In the public domain due to age. via https://www.biodiversitylibrary.org/item/106229#page/20/mode/2up Page 22 of Illustriertes Prachtwerk sämtlicher Tauben-rassen. 1906. Lithograph based on a watercolor template by Anton Schöner. In the public domain due to age. Collections of the American Museum of Natural History Library. In the public domain due to age. via https://www.biodiversitylibrary.org/item/106229#page/20/mode/2up Page 24 of Illustriertes Prachtwerk sämtlicher Tauben-rassen. 1906. Lithograph based on a watercolor template by Anton Schöner. In the public domain due to age. Collections of the American Museum of Natural History Library. In the public domain due to age. via https://www.biodiversitylibrary.org/item/106229#page/20/mode/2up