Winter fungi of the apple - MacInnes, Frances Jean. (1916)
Thesis (B.S.)--University of Illinois, 1916. --- Typescript. --- Leaves 21, 22 and 23 (third foliation set) are numbered incorrectly as 20, 21 and 22, respectively.
Keywords: 1916; Agriculture; Apples; Diseases and pests; Phytopathogenic fungi; Seasonal variations; Theses; UIUC