1. Becker, C.D., 1964. The parasite-vector-host relationship of the hemoflagellate Cryptobia salmositica Katz, the leech Piscicola salmositica Meyer and certain Freshwater teleosts. Ph.D.Thesis, University of Washington.
2. Becker, C.D., 1970. Hematozoa of fishes, with emphasis on North American records. In: Snieszko, S.F. (Ed.), A Symposium on diseases of fishes and shellfishes. American fisheries Society Special Publication, 5, 82–100.
3. Flagellate parasites of fish;Becker,1977
4. Hematozoa from resident and anadromous fishes of the Central Columbia River, Washington: a survey;Becker;Can. J. Zool.,1980
5. Infections of the hemoflagellate, Cryptobia salmositica Katz, 1951, in freshwater teleosts of the Pacific Coast;Becker;Trans. Am. Fish. Soc.,1965