BioStor
 | Notes on insects of the order Strepsiptera, with descriptions of new species W D Pierce (1911) Proceedings of the United States National Museum 40: 487-511 |
 | The comparative morphology of the order Strepsiptera together with records and descriptions of insects W Dwight Pierce (1918) Proceedings of the United States National Museum 54(2242): 391-501 |