Published in Transactions of The American Entomological Society, in 1920, in volume 46, pages 1-26
Published in Transactions of The American Entomological Society, in 1920, in volume 46, pages 27-89
Published in Transactions of the American Entomological Society, in 1920, in volume 46, pages 91-111
Published in Transactions of The American Entomological Society, in 1920, in volume 46, pages 113-132
Published in Transactions of The American Entomological Society, in 1920, in volume 46, pages 197-217
Published in Transactions of the American Entomological Society, in 1920, in volume 46, pages 219-223
Published in Transactions of the American Entomological Society, in 1920, in volume 46, pages 225-265
Published in Trans. American Entomol. Soc, in 1920, in volume 46, pages 267-321
Published in Transactions of the American Entomological Society, in 1920, in volume 46, pages 355-403
Published in Transactions of the American Entomological Society, in 1920, in volume 46, issue 2, pages 133-196