Sewage disposal: residences and small institutions. R. B. Wiley. (Purdue university. Engineering experiment station. Bul. 6) 36p pa ’20 Purdue university, Lafayette, Ind.
Shipping
Shipping act and merchant marine act, 1920, suits in admiralty act, emergency shipping legislation and other laws, proclamations and executive orders relating to the shipping board and emergency fleet corporation, revised to July 1, 1910. (U.S. Shipping bd.) 151p pa ’20
Training for the steamship business. R. S. MacElwee. (U.S. Foreign & domestic commerce bur. Miscellaneous ser. 98) 49p pa ’20
Sickness
Keeping tab on sickness in the plant. Dean K. Brundage and Bernard J. Newman. (U.S. Public health service. Reprint 589) 12p pa ’20
Slugs
Gray garden slug. A. L. Lovett and A. B. Black (Oregon. Experiment station. Station bul. 170) 43p pa ’20 Corvallis, Ore.
Smuts
Rusts and smuts of grain crops. V. W. Jackson. (Manitoba. Manitoba farmers’ library. Extension bul. 44) 35p pa ’19 Manitoba department of agriculture and immigration, Winnipeg, Canada