a. “Fossil Charophytes from South Dakota and Iowa with a Review of a Modern Species.” The American Midland Naturalist, vol. 84, No.2, October 1970, pp 365-75. (3 copies). b. “Some Late Glacial Charophytes Compared to Modern Species” Proceedings of the Indiana Academy of Science vol. 78, 1969. c. “Charophytes’ from Synopsis and Classification of Living Organisms. McGraw-Hill, 1982. d. “Tertiary Charophytes from the Ogalalla Formation of Ellis County, Kansas”. American Midland Naturalist e. “Central Cells of the Stem Node and Charophyte Taxonomy.” Proceedings of the Indiana Academy of Science. Vol. 89, 1980. f. “A Note Concerning Calcium Carbonate Deposits in Charophytes” Phycologia vol. 14, no.4, 1975, pp 331-32. g. “Miocene Charophytes from Ixtapa, Chiapas, Mexico.” Journal of Paloeontology vol.40, no.5, September 1966. h. “Glacial and Post-Glacial Charophytes from New York and Indiana.” Butler University Botanical Studies, vol. 14, no. 1, December 1961.