Box SU 20

Topics include manganese, petroleum, and the tariff on petroleum products. Correspondents include Tasker L. Oddie (statement) and the Petroleum Association of America (brief).

Topics include William H. Taft, petroleum, and the tariff on petroleum products.

Topics include lobbying, petroleum, petroleum industry and trade, and the tariff on petroleum products. Correspondents include Duncan U. Fletcher and the Independent Petroleum Association of America. 1926-1927, 1929 Sept.-1930 March.

Topics include petroleum products.

Topics include petroleum industry and trade in Oklahoma.

Topics include petroleum industry and trade.

Topics include prices of gasoline, petroleum industry and trade, prices of Petroleum products, and tariff on petroleum products. Correspondents include Wirt Franklin, United States Bureau of Mines Petroleum Economics Division, United States Tariff Commission, and Independent Petroleum Association of America. 1928 Oct., 1929 Feb.-Sept., 1930 Jan.-Oct.

Topics include prices of gasoline, petroleum industry and trade, prices of Petroleum products, and tariff on petroleum products. Correspondents include Wirt Franklin, United States Bureau of Mines Petroleum Economics Division, United States Tariff Commission, and Independent Petroleum Association of America. 1928 Oct., 1929 Feb.-Sept., 1930 Jan.-Oct.

Topics include prices of gasoline, petroleum industry and trade, prices of Petroleum products, and tariff on petroleum products. Correspondents include Wirt Franklin, United States Bureau of Mines Petroleum Economics Division, United States Tariff Commission, and Independent Petroleum Association of America. 1928 Oct., 1929 Feb.-Sept., 1930 Jan.-Oct.

Topics include petroleum industry and trade, petroleum reserves, tariff on petroleum products, proration, and Ray L. Wilbur. Correspondents include Independent Petroleum Association of America (bulletin), The United States Bureau of Customs, H. H. Champlin, and the Governors' Oil Relief Conference. 1930 Dec.-1931 Mar.