1. [Gambel's Partridge] Callipepla gambelii.: J.Gould & H.C. Richter del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: H. C. Richter
2. Ramphastos Inca, Gould.: Gould & Richter, del.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1854 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: H. C. Richter
3. Orthorhynchus Ornatus, Gould.: J. Gould & H.C. Richter, del et lith.: Walter & Cohn, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: H. C. Richter
4. Hylocharis sapphirinus: J. Gould & H.C. Richter, del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: H. C. Richter
5. Lampornis Mango.: J. Gould & H.C. Richter, del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: H. C. Richter
6. Calypte annae.: J. Gould & H.C. Richter, del et lith.: Hullmandel & Walton, Imp. Collection: Hill Ornithology Collection Date: 1861 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: H. C. Richter
