Journal article reprint from: Plant Disease Reporter, 1956:Mar.15.
Journal article reprint from: Transactions of the New York Academy of Sciences, Ser.II:v.17:no.7 (1955:May).
Journal article reprint from: West Virginia Academy of Science. Proceedings, v.27 (1955).
Journal article reprint from: Phytopathology, v.46:no.11 (1956:Nov.).
Journal article reprint from: Mycologia, v.50:no.5 (1958:Oct.).