Template:Westwood,1840a

• Westwood, J.O. 1839–1840 ["1840"]. An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families. Vol. 2. Longman, Orme, Brown, Green, and Longmans, London. 587 pp. BHL  
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• Date of publication: 9: (pp. 1–128) January 1839 (wrapper); 10: (pp. 129–192) February 1839 (wrapper), 4 February 1839 (Ent Soc Lond); 11: (pp. 193–224) March 1839 (wrapper), 4 March 1839 (Ent Soc Lond); 12: (pp. 225–256) April 1839 (wrapper); 13: (pp. 257–288) June 1839 (wrapper), 3 June 1839 (Ent Soc Lond); 14: (pp. 289–352) November 1839 (wrapper); 15: (pp. 353–400) January 1840 (wrapper), 6 January 1840 (Griffin 1932: 84); 16: (pp. 401–587) June 1840 (wrapper), 1 June 1840 (Griffin 1932: 84), 6 June 1840 (Athenaeum) [source: Bousquet (2016)]

References

• Bousquet, Y. 2016. Litteratura Coleopterologica (1758–1900): a guide to selected books related to the taxonomy of Coleoptera with publication dates and notes. ZooKeys 583: 1–776. DOI: 10.3897/zookeys.583.7084 . PMC: 4868922 . Reference page.