1. Nectarinia gouldiæ.: J. Gould & H.C. Richter, del et lith.: Walter, imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
2. [Lunated Forktail] Enicurus maculatus, Vigors.: J. Gould & H.C. Richter, del et lith.: Walter, imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
3. Euplocomus Vieilloti, G.R. Grey.: J. Gould & H.C. Richter, del et lith.: Walter, imp. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Gould, John (British painter, ornithologist, 1804-1881), ... Engraver: Richter, H. C.
4. [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: Richter, H. C.
5. Loxia leucoptera. e mont Himalaya. Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Baedeker, F. W. J. (Friedrich Wilhelm Justus) (German pharmacist, ornithologist, and ornithological illustrator, 1787-1865) Engraver: Schlegel, Hermann, 1804-1884
6. Acanthis hollbölli Collection: Hill Ornithology Collection Date: 1850 Format: Image Creator: Baedeker, F. W. J. (Friedrich Wilhelm Justus) (German pharmacist, ornithologist, and ornithological illustrator, 1787-1865) Engraver: Schlegel, Hermann, 1804-1884
