Boeck, W. C., and Tanabe, M. “Chilomastix gallinarum morphology, division and cultivation,”Amer. J. Hyg., 1926.,6, 319–36.
Fonseca, O. O. R. Da.. “Estudos sobre os flagellados parasitos dos mammiferro do Brazil,”Mem. Inst. Osw. Cruz., 1916,8, 5–40.
—————.. “Estudos sobre os flagellados parasitos,” Ibid., 1920,12, 51–55.
Martin, C. H., and Robertson, M. “Further observations on the caecal parasites of fowls with some reference to the rectal fauna of the other vertebrates,”Quart J. Micro. Sci., 1911,57, 53–81.
Wenyon, C. M...Protozoology, Vols. I and II, Builhere. Tindall and Co., London 1926.