1. Methods of Estimating from Samples the Population Standard Deviation
2. 1941–2–Guide for Quality Control
3. Control Chart Method of Analyzing Data
4. Control Chart Method of Controlling Quality During Production. Pamphlets (a) and (b) are bound together and appeared in 1941, 75¢; (c) appeared in 1942, 75 ¢. These standards are obtainable from the American Standards Association, 29 West 39 Street, New York