01145cam a2200277 4500 agr67000331 DLC 20260227111027.0 690818s1967 dcua b 000 0 eng c agr67000331 U.S.Nat'l Agr. Libr. DLC DLC A281.9 Ag83 no. 195 Hirsch, Hans G. (Hans George), 1916- Effects of changes in use of seasonal workers on U.S.-Mexican agricultural trade and balance of payments [by Hans G. Hirsch. Washington] Economic Research Service, U.S. Dept. of Agriculture [1967] iv, 51 p. illus. 26 cm. [United States. Dept. of Agriculture. Economic Research Service] ERS-foreign 195 Bibliographical footnotes. Agricultural laborers United States. Produce trade United States. Produce trade Mexico. Agricultural laborers United States. Produce trade United States. Produce trade Mexico. [United States. Department of Agriculture. Economic Research Service] ERS-foreign 195. 12271 12271