1. Blue Jay.: Corvus cristatus.: Male 1. Female 2. 3.: Drawn from nature by J. J. Audubon, F.R.S., F.L.S.: Engraved, printed, and colored by R. Havell. Collection: Hill Ornithology Collection Date: 1827 Format: Image Creator: Audubon, John James (American painter and naturalist, 1785-1851) Engraver: R. Havell
2. Cyanocorax violaceus.: 3/4 de grandeur naturelle.: G. Severyns ad nat. lith.: Lith. de G. Severeyns. Collection: Hill Ornithology Collection Date: 1845 Format: Image Creator: Severeyns, G. (British graphic artist, active 1870-1879) Engraver: G. Severeyns
3. Pica caudata: J.Gould & H.C. Richter, del et lith.: Walter & Cohn, Imp. Collection: Hill Ornithology Collection Date: 1873 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881) Engraver: H. C. Richter
4. 3/4: Cyanocitta yucatanica: J.G. Keulemans lith.: Hanhart imp. 137 Collection: Hill Ornithology Collection Date: 1879 Format: Image Creator: Keulemans, Johannes Gerardus (Dutch painter and printmaker, 1842-1912, active in England) Engraver: J.G. Keulemans
