Training of workers in trades and industries. (Texas university. Bul. 2002) 16p pa ’20 Austin, Texas
Industrial fatigue
Studies in industrial physiology: fatigue in relation to working capacity. 1. Comparison of an eight-hour plant and a ten-hour plant. Josephine Goldmark and Mary D. Hopkins. (U.S. Public health service. Public health bul. 106) 213p pa ’20
Industries
Industrial survey in selected industries in the United States, 1919; preliminary report. Allan H. Willett. (U.S. Labor statistics bureau. Bul. 265) 509p pa ’20
Infectious diseases
The common infectious diseases and their prevention. A. G. Young. (Maine. Health department. Bul. v 2, n.s. no. 11) 20p pa ’19 Portland, Maine.
Insect powder
Insect powder. C. C. McDonnell and others. (U.S. Agriculture dept. Department bul. 824) 100p pa ’20
Insurance