Ferdinand V. Hayden: US Geol Survey (1869-1871) ; S. F. Baird: History North American Birds (1874) ; E. B. Andrews ; Edward Orton ; T. G. Wormley ; Fielding Bradford Meek (1817-1876) ; Geol Surv Ohio (1873/5) ; George B. Goode: Fisheries US (1884-7) ;
1866-78 secretary to Joseph Henry, Smithsonian Institution;
Joseph W. Collins: Illustrations about Fishing industry ; A Schönborn ; Hergesheimer ;
geological, ornithological, ichthyological, marine, zoological, and natural drawing and watercolour