




EDWARDSON, J. R.; CHRISTIE, R. G.






BARNES, ALBERT; FREW, ROBERT, EDITOR

BARBER, EDWIN ATLEE; PENNSYLVANIA MUSEUM AND SCHOOL OF INDUSTRIAL ART


MITCHELL INTERNATIONAL, INC.









GENERAL MOTORS CORPORATION


CHEVROLET MOTOR DIVISION, GENERAL MOTORS CORPORATION

CATERPILLAR TRACTOR CO.

KING, FRANCES and SKINNER, STEPHEN













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