00801cam a22002531 4500 l 48000015 DLC 20260227111540.0 801125s1948 dcu f000 0 eng l 48000015 (OCoLC)6972483 DLC ViAlUNJ DLC premarc HD8051 .A62 no. 917 331.06173 s Kossoris, Max Davis. Hours of work and output. [By Max D. Kossoris and Reinfried F. Kohler] Washington, U.S. Govt. Print. Off., [1948] vii, 160 p. 24 cm. United States. Bureau of Labor Statistics. Bulletin, no. 917 Hours of labor United States. Labor productivity. Kohler, Reinfreid Fred, joint author. 36597 36597