Bishop, C.C . Intriduction to agricultureal economic analysis / C.C.Bishop and W.D.Toussaint. - New York : John Wiley & Sons , 1958. - xix,255p. : ill. ; 20cm . Include index ISBN: NULL (pbk) Subjects--Index Terms: ECONOMICAL AGRICULTURE Dewey Class. No.: 338.1 / BIS/A