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Author

Robert L. Frey

3 books found

Cover of Quantitative business analysis

Quantitative business analysis

Robert L. Carraway, Sherwood C., Jr. Frey, Phillip E. Pfeifer · First published 1997

Cover of Railroads in the nineteenth century

Railroads in the nineteenth century

Robert L. Frey, Alfred D. Chandler · First published 1988

Cover of Northern Pacific Railway

Northern Pacific Railway

Robert L. Frey, Lorenz P. Schrenk · First published 1985