1832

• Gray, R. G., 1832. In Griffith, E. The Animal Kingdom Arranged In Conformity With Its Organization, By The Baron Cuvier 14: 140 pls; 15: pp 1–796. Text, plates. Reference page. 

1837

• Gray, G.R. 1837. Description of some singularly formed orthopterous insects. Magazine of natural history, series 2. 1(3): 141–145. BHL. Reference page. 

1840

• Gray, G.R. 1840. A list of the genera of birds, with an indication of the typical species of each genus, compiled from various sources. 80 pp. Richard and John Taylor (London). BHL DOI: 10.5962/bhl.title.13777 Reference page. 

1841

• Gray, G.R. 1841. A list of the genera of birds: with their synonyma and an indication of the typical species of each genus. 2nd edition, revised, augmented and accompanied with an index. 115 pp. + Appendix. Richard and John Taylor (London). BHL DOI: 10.5962/bhl.title.14202 Reference page. 

1844–1849

• Gray, G.R. 1844–1849. The genera of birds: comprising their generic characters, a notice of the habits of each genus, and an extensive list of species referred to their several genera. Illustrated by David William Mitchell. Vol.1: i–xvi, 1–300, pl.1–70. Longman, Brown, Green, and Longmans. (London). BHL DOI: 10.5962/bhl.title.60796 Reference page. 

• Gray, G.R. 1844–1849. The genera of birds: comprising their generic characters, a notice of the habits of each genus, and an extensive list of species referred to their several genera. Illustrated by David William Mitchell. Vol.2: i–iv, 301–483, pl.73–120. Longman, Brown, Green, and Longmans. (London). BHL DOI: 10.5962/bhl.title.60796 Reference page. 

• Gray, G.R. 1844–1849. The genera of birds: comprising their generic characters, a notice of the habits of each genus, and an extensive list of species referred to their several genera. Illustrated by David William Mitchell. Vol.3: i–iv, 484–669, pl.121–185 + Appendix and Index: 1–117. Longman, Brown, Green, and Longmans. (London). DOI: 10.5962/bhl.title.60796 . BHL Reference page. 

1852

• Gray, G.R. 1852. On the Species of the Genus Sericinus. Proceedings of the Zoological Society of London 70–73. BHL Reference page.