Hayes, Herbert Kendall Methods of plant breeding / by H. K. Hayes, F. R. Immer and D. C. Smith. - 2nd ed. - New York : McGraw-Hill, 1955. - 551 p. : ill. ; 24 cm. - McGraw-Hill publications in the agricultural sciences . Includes bibliography. Subjects--Topical Terms: Plant breeding.Genetics. Dewey Class. No.: 631.52 / HAM 1955