00959cam a22002291 4500 l 38000107 DLC 20260227111536.0 721010s1938 xx 000 0 eng l 38000107 (OCoLC)425343 DLC OClU DLC HD8051 .A62 no. 656 HB225 .M5 Mitchell, Wesley C. (Wesley Clair), 1874-1948. The making and using of index numbers, by Wesly C. Mitchell. Washington, U.S.Govt.Print.Off., 1938. iii, 114 p. tables,diagrs.(2 fold.) 23cm. At head of title: United States Department of Labor. Frances Perkins, secretary. Bureau of Labor Statistics. Isador Lubin, commissioner. "Originally published in 1915 as part of Bulletin 173 of the Bureau of Labor Statistics ... A revision ... was issued as Bulletin 284 in 1921."- p.iii. Index numbers (Economics) 36261 36261