Questions and answers on tuberculosis. Benjamin K. Hays. (U.S. Public health service. Miscellaneous publ. 26) 10p pa ’20
Tuberculosis background for advisers and teachers. John W. Turner. (U. S. Federal board for vocational education. Bul. 59) 42p pa ’20
Turpentine
Turpentine; its sources, properties, uses, transportation, and marketing with recommended specifications. F. P. Veitch and V. E. Grottisch. (U.S. Agriculture dept. Department bul. 898) 51p pa ’20
United States
Statistical record of the progress of the United States, 1800–1920, and monetary, commercial, and financial statistics of principal countries. Edward Whitney. (U.S. Bur. of foreign and domestic commerce) 104p pa ’20
From the Statistical abstract of the United States, 1919, with fiscal-year figures for 1919 and 1920, which are subject to revision.
Navy department
Navy ordnance activities, World war, 1917–1918. (U.S. Ordnance bur.) 323p ’20
Statistics