Structure of U.S. agriculture bibliography
WIMBERLY, Ronald C
Structure of U.S. agriculture bibliography - Washington 1981 - 514p - USDA Bibliographies and literature of agriculture,no.16 .
AGRICULTURE -- U.S -- BIBLIOGRAPHY
AGRICULTURE -- U.S -- BIBLIOGRAPHY
016.630 973 W59S
Structure of U.S. agriculture bibliography - Washington 1981 - 514p - USDA Bibliographies and literature of agriculture,no.16 .
AGRICULTURE -- U.S -- BIBLIOGRAPHY
AGRICULTURE -- U.S -- BIBLIOGRAPHY
016.630 973 W59S