The Negro in the aerospace industry

Northrup, Herbert R. (Herbert Roof), 1918-2007.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1968]

The Negro in the automobile industry

Northrup, Herbert R. (Herbert Roof), 1918-2007.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1968]

The Negro in the bituminous coal mining industry

Barnum, Darold T.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1970]

The Negro in the department store industry

Perry, Charles R.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1971]

The Negro in the drugstore industry

Fletcher, F. Marion.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1971]

The Negro in the insurance industry

Fletcher, Linda Pickthorne.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1970]

The Negro in the lumber industry

Howard, John C.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1970]

The Negro in the meat industry

Fogel, Walter A.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce,University of Pennsylvania; distributed by University of Pennsylvania Press, [1970]

The Negro in the petroleum industry

King, Carl B.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1969]

The Negro in the rubber tire industry

Northrup, Herbert R. (Herbert Roof), 1918-2007.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1969]

The Negro in the shipbuilding industry.

Rubin, Lester.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1970]

The Negro in the tobacco industry

Northrup, Herbert R. (Herbert Roof), 1918-2007.
Philadelphia : Industrial Research Unit, Wharton School of Finance and Commerce, Univ. of Pennsylvania; distributed by Univ. of Pennsylvania Press, [1970]

The Negro in the urban transit industry

Jeffress, Philip W.
Philadelphia : Industrial Research Unit, Dept. of Industry, Wharton School of Finance and Commerce, University of Pennsylvania; distributed by University of Pennsylvania Press, [1970]