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found: Tools as art, 1995: CIP info. sheet (John Hechinger, Sr.; chmn, Hechinger)
found: NUCMC data from Hist. Soc. of Washington, D.C. for Hechinger Company records, 1905-1997 (John Hechinger, Sr. (1920- ); native of Washington, D.C.)
found: NUCMC data from Moorland-Spingarn Research Center for His Interview, 1968 Dec. 10 (HECHINGER, John W. (1920- ); RJB 336; Chairman, City Council, District of Columbia)