Contribution to a Monograph of the Syrphidae (Diptera) from North of Mexico Charles Howard Curran Published: 1924 Total Pages: 226 Get eBook
Monthly Letter of the Bureau of Entomology, United States Department of Agriculture United States. Bureau of Entomology Published: 1926 Total Pages: 382 Get eBook
Report of the Commissioner of Agriculture and Arts Ontario. Department of Agriculture Published: 1926 Total Pages: 920 Get eBook
The Proceedings of the Entomological Society of London Royal Entomological Society of London Published: 1927 Total Pages: 606 Get eBook
Annual Report - Entomological Society of Ontario Entomological Society of Ontario Published: 1921 Total Pages: 1056 Get eBook