Eisenmann, Eugene, 1906-; Short, Lester L.; Partridge, William, ornithologist.
(New York, N.Y. : American Museum of Natural History, 1982)
"The genus Emberizoides has long been maintained as monotypic, but with one polytypic species, E. herbicola. The late Argentine ornithologist William Partridge discriminated between large and small forms found together in ...