Westwood, J. O. 1837. Descriptions of some new species of exotic Coleopterous Insects from the collection of Sir Patrick Walker. Magazine of Zoology and Botany 1:251-257.
Westwood, J. O. 1838-1840. An introduction to the modern classification of insects, founded on the natural habits and corresponding organisations of the different families. Longmans, London, 8 Volumes, 587 pp.
Westwood, J. O. 1838. Synopsis of the genera of British insects, pp. 17-32 (part), published with An introduction to the modern classification of insects, founded on the natural habits and corresponding organisations
          of the different families. Longmans, London, Volume 2(3), 587 pp. [The Synopsis was published in 6 parts (pp. 1-154) from 1838-1840]
Westwood, J. O. 1848. The Cabinet of Oriental Entomology; being a selection of some of the rarer and more beautiful species of insects, natives of India and the adjacent islands, the greater portion of which are now
          for the first time described and figured. William Smith, London, 88 pp. (link to digital copy)
Westwood, J. O. 1854. Contributions to fossil entomology. Quarterly Journal of the Geological Society of London 10:378-396. (link to digital copy)
Westwood, J. O. 1883. Descriptions of some new exotic Coleoptera. Tijdschrift voor Entomologie 26:61-78. (link to digital copy)