->Spencer Fullerton Baird (1823-1887) ; John James Audubon: The Birds of America ; T. M. Brewer ; Map exhibiting that portion of the State of Pennsylvania traversed by the surveys for a continuous rail road from Harrisburg to Pittsburg made under the direction of Charles L. Schlatter (c.e. in 1839 & 1840) ; J. Cassin: Illustrations of the birds of California, Texas, Oregon, British and Russian America ; Audubon & Bachman: Viviparous (1845) ; Brewer: Oölogy (1859) ;
U.S. Exploring Expedition 1838-42 ;
Otto Knirsch ; lithographer ->Endicott in New York ;