BioStor
 | The Pangoniinae of Nearctic America. (Diptera; Tabanidae) (1935) University of Kansas Science Bulletin 22: 249-401 |
 | Catalogue of the types in the Snow Entomological museum. Part III (Diptera) G W Byers, F Blank et al. (1962) Kansas University Science Bulletin 43: 131-181 |