Biodiversity Heritage Library mailto:biodiversitylibrary@gmail.com An introduction to the modern classification of insects; founded on the natural habits and corresponding organisation of the different families Westwood, J. O. (John Obadiah), 1805-1893 creator text book Smithsonian Libraries v.2 (1840) London Longman, Orme, Brown, Green, and Longmans 1839-1840 1839 1840 v.2 (1840)
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 ENG Classification Insects https://www.biodiversitylibrary.org/item/45812 3737585 Agr03001155 10.5962/bhl.title.12455 Smithsonian Libraries https://www.biodiversitylibrary.org/item/45812 https://www.biodiversitylibrary.org/pagethumb/12732230 v.2 (1840) NOT_IN_COPYRIGHT HDC