Ricardo López-Ortiza et al.: Increasing nest success in the yellow-shouldered blackbird Agelaius xanthomus in southwest Puerto Rico. In: Biological Conservation. Band108, Nr.2, 2002, S.259–263, doi:10.1016/S0006-3207(02)00122-2.
Alexander Cruz, Ricardo López-Ortiz, Eduardo A. Ventosa-Febles, James W. Wiley, Tammie K. Nakamura, Katsi R. Ramos-Alvarez, William Post: Ecology and Management of Shiny Cowbirds (Molothrus bonariensis) and Endangered Yellow-Shouldered Blackbirds (Agelaius xanthomus) in Puerto Rico. In: Ornithological Monographs. Band78, Nr.57, 2005, S.38–44, doi:10.2307/40166813.
Irene A. Liu: Conservation genetics and genetic mating system of the yellow-shouldered blackbird (Agelaius xanthomus), an endangered island endemic. In: Conservation Genetics. Band16, 2015, S.1041–1053, doi:10.1007/s10592-015-0721-5.
Scott M. Lanyon: Polyphyly of the Blackbird Genus Agelaius and the Importance of Assumptions of Monophyly in Comparative Studies. In: Evolution. Band48, Nr.3, 1994, S.679–693, doi:10.2307/2410478.
Ventura Barnés, Jr.: A New form of Agelaius from Mona Island, Puerto Rico. In: The Auk. Band62, Nr.2, 1945, S.299–300, doi:10.2307/4079709.
