United States tariff rates on agricultural products (revised) ...
A complete history of each rate from September 1922 to May 1951.
APA Citation
Wells, C. F., United States. Bureau of Agricultural Economics. (1951). United States tariff rates on agricultural products (revised) ..: A complete history of each rate from September 1922 to May 1951. Washington, D.C.
MLA Citation
Wells, Clinton F, and United States. Bureau of Agricultural Economics. United States Tariff Rates On Agricultural Products (revised) ..: A Complete History of Each Rate From September 1922 to May 1951. Washington, D.C, 1951.
Warning: These citations may not always be complete (especially for serials).