Fawcett, Howard S. . Citrus Diseases and their Control / Textual Documents Howard S. Fawcett. - 2nd ed. / - New York : McGraw - Hill book company , C1936. - xv,656p. : ill ; 23cm . Bib., Index Subjects--Index Terms: Botant Plant Disease-Citrus G-Botant Dewey Class. No.: 581.2 / F 282 C