Vista normal
Vista MARC
North, Mack O. (Nombre personal)
His Commercial chicken production manual, 1984: CIP t.p. (Mack O. North, poultry management consultant, Oceanside, Calif.)
LC data base, 12/28/83 (hdg.: North, Mack O.)
His Commercial chicken production manual, c1990: CIP t.p. (Mack O. North) data sheet (b. 1907)
