BioStor
Empidonax traillii traillii (Audubon, 1828)
 | On a Collection of Birds from Western Costa Rica Outram Bangs (1907) The Auk 24: 287-312 |
 | Birds of the Panama Canal Zone, with Special Reference to a Collection Made by Mr. Lindsey L. Jewel Witmer Stone (1918) Proceedings of The Academy of Natural Sciences of Philadelphia 70: 239-280 |
 | Fourth Annual List of Proposed Changes in the A. O. U. Check List of North American Birds Harry C Oberholser (1919) The Auk 36: 266-273 |
 | Birds of the Santa Marta region of Colombia: A study in altitudinal distribution W E Clyde Todd and Melbourne Armstrong Carriker Jr. (1922) Annals of The Carnegie Museum 14: 1-582 |
 | Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. 5. Tyrannidae Charles B Hellmayer (1927) Publication. Field Museum of Natural History. Zoological series 13(5): 1-523 |
 | The birds and mammals of Modoc County, California Joseph Mailliard (1927) Proceedings of the California Academy of Sciences 16: 261-359 |
 | An ornithological survey in the Caribbean lowlands of Honduras J L Peters (1929) Bulletin of The Museum of Comparative Zoology 69: 397-478 |
 | Notes on the Birds of Rio Frio (near Santa Marta) Magdalena, Colombia (1931) Bulletin of The Museum of Comparative Zoology 71: 349-421 |
 | Origins of the fauna of the Sikan District, Alaska Harry S Swarth (1936) Proceedings of the California Academy of Sciences 23: 59-78 |
 | Report on the McCabe collection of British Columbian birds J C Dickinson (1953) Bulletin of The Museum of Comparative Zoology 109: 121-209 |