Income. Investigation of concentration of economic power, study made [by Adolph J. Goldenthal] under auspices of Department of Commerce for Temporary National Economic Committee, 76th Congress, 3d session, pursuant to Public resolution 113 (75th Congress), authorizing and directing select committee to make full and complete study and investigation with respect to concentration of economic power in, and financial control over, production and distribution of goods and services: Monograph no. 4, Concentration and composition of individual incomes, 1918-37.