00937cam a22002411 4500 e 41000049 DLC 20260227111229.0 800815s1940 dcua f000 0 eng c e 41000049 (OCoLC)6621456 U.S. Off. of educ. Library NOsU DLC premarc L111 .A75 no. 93 T65 .P757 371.426 Proffitt, Maris M. (Maris Marion), 1876- Trends in industrial arts, by Maris M. Proffitt, educational consultant and specialist in industrial education ... Federal security agency, Paul V. McNutt, administrator. U.S. Office of education, John W. Studebaker, commissioner. [Washington, U.S. Govt. print. off., 1940] 2 p. l., 20 p. incl. tables. 23 cm. U.S. Office of education. Pamphlet, no. 93 Industrial arts Study and teaching. 21793 21793