"United States." . . "1900 - 1999" . . . . . . . . . . . . . . . . . . . . . . . "Archives" . . . . . . . . . . . . . "History" . "The collection documents Ralph C. Epstein's research interests while he was on the faculty of the University of Buffalo. His main research interests revolved around the rubber and automotive industries in the United States. Additional topics included are American manufacturing, industry, and commerce on a broader scale and unemployment insurance law." . . . . . . "Ralph C. Epstein papers" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Records and correspondence" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "United States" . .