Swine
Feeding garbage to hogs. F. G. Ashbrook and A. Wilson. (U.S. Agriculture dept. Farmers’ bul. 1133) 26p pa ’20
Switzerland
Economic position of Switzerland during the war. Louis A. Rufener. (U.S. Foreign and domestic commerce bureau. Miscellaneous ser. 90) 88p pa ’19
Tariff
Import and export schedule of France. (U.S. Foreign and domestic commerce bureau) 56p pa ’20
Import and export schedules of Italy. (U.S. Foreign and domestic commerce bur. Miscellaneous ser. 100) 93p pa ’20
Reciprocity with Canada; a study of the arrangement of 1911. (U.S. Tariff commission) 114p pa ’20
Subject index to tariff information surveys and reports. (U.S. Tariff comm. Tariff information ser. 17) 25p pa ’20
Teachers