1. Trypanosoma iowensis n. sp. and Babesia citelli n. sp. from Citellus tridecemlineatus, and Trypanosoma hixsoni n. sp. from Citellus franklini;Becker;Iowa State Coll. J. Sci.,1934
2. Studies on the trypanosomes of some California mammals;Davis;Univ. Calif. Publ. Zool.,1952
3. Trypanosoma de um roedor, Marmota flaviventris nosophora, achado em Montana, Estados Unidos;Dias;Livro. Jub. Travassos,1938
4. Occurrence of Trypanosoma cruzi in Maryland;Herman;Proc. Helm. Soc. Wash.,1962
5. Studies on Trypanosoma cruzi isolated in the United States: A review;Kagan;Rev. Biol. Trop.,1966