BioStor
 | Attempted division of British insects into natural orders (1834) Entomological Magazine 2: 379-431 |
 | Catalogue of the described species of North American Hymenoptera. (Continued.) E T Cresson (1863) Proceedings of the Entomological Society of Philadelphia 1: 316-344 |
 | Catalogue of Hymenoptera in the collection of the Entomological Society of Philadelphia, from Colorado Territory E T Cresson (1865) Proceedings of the Entomological Society of Philadelphia 4: 242-313 |
 | On the insects, coleopterous, hymenopterous and dipterous inhabiting the galls of certain species of willow. Part 2nd and last Walsh Benjamin Dann (1866) Proceedings of the Entomological Society of Philadelphia 6: 223-288 |
 | XIX. Illustrations of specific differences in the Saws of Dolerids F D Morice (1914) Transactions of The Royal Entomological Society of London 61: 428-435 |