BioStor
 | On some birds rare in, or hitherto unrecorded from, Chiriqui Province, Panama M E Mclellan Davidson (1938) Proceedings of the California Academy of Sciences 23: 255-261 |
 | Report on the McCabe collection of British Columbian birds J C Dickinson (1953) Bulletin of The Museum of Comparative Zoology 109: 121-209 |