Sprague, V.
1940. Studies on Gregarina blattarum with particular reference to the chromosome cycle. Journ. Parasitol., vol. 26, No. 6, Suppl., pp. 26-27.
1940a. Observations on Coelosporidium periplanetae with special reference to the development of the spore. Trans. Amer. Micr. Soc., vol. 59, pp. 460-474.
1941. Studies on Gregarina blattarum with particular reference to the chromosome cycle. Illinois Biol. Monogr., vol. 18, pp. 1-57.
Sprague, V., and Ramsey, J.
1941. A preliminary note on Plistophora kudoi n. sp., a microsporidian parasite of the cockroach. Anat. Rec., vol. 81, Suppl., pp. 132-133. (Abstract.)
1942. Further observations on Plistophora kudoi, a microsporidian of the cockroach. Journ. Parasitol., vol. 28, pp. 399-406.
Stage, H. H.
1947. DDT to control insects affecting man and animals in a tropical village. Journ. Econ. Ent., vol. 40, pp. 759-762.
Stahnke, H. L.
1949. Scorpions. 23 pp. Tempe, Ariz.
Stamm, R. H.
1936. A new find of Rhipidius pectinicornis Thbg. (Symbius blattarum Sund.) (Col. Rhipiphor.). Ent. Medd., vol. 19, pp. 286-297.