Frost, Darrel R. (2014). "Hyloxalus edwardsi (Lynch, 1982)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 22 March 2015.
amphibiaweb.org
Isabella Caldarelli; Emma Poole; Ashley Contreras; Ann T. Chang (November 16, 2023). Ann T. Chang (ed.). "Hyloxalus edwardsi (Lynch, 1982)". AmphibiaWeb. University of California, Berkeley. Retrieved September 3, 2024.
batrachia.com
Acosta-Galvis, A.R. (2014). "Hyloxalus edwardsi (Lynch, 1982)". Lista de los Anfibios de Colombia V.05.2015.0. www.batrachia.com. Archived from the original on 2 April 2015. Retrieved 22 March 2015.
Lynch, J. D. (1982). "Two new species of poison-dart frogs (Colostethus) from Colombia". Herpetologica. 38 (3): 366–374. JSTOR3892419.
web.archive.org
Acosta-Galvis, A.R. (2014). "Hyloxalus edwardsi (Lynch, 1982)". Lista de los Anfibios de Colombia V.05.2015.0. www.batrachia.com. Archived from the original on 2 April 2015. Retrieved 22 March 2015.