Barnum, J. W. (1974). Speeches by Under Secretary of Transportation John W. Barnum: January 1974. United States. Department of Transportation. https://doi.org/10.21949/1gbs-yg28
Barnum, John W.. Speeches by Under Secretary of Transportation John W. Barnum: January 1974. United States. Department of Transportation, 1974. https://doi.org/10.21949/1gbs-yg28.
Barnum, John W. Speeches by Under Secretary of Transportation John W. Barnum: January 1974. United States. Department of Transportation, 1974, ROSA P. https://doi.org/10.21949/1gbs-yg28.
John W. Barnum served as General Counsel for the U.S. Department of Transportation beginning in 1971, became Under Secretary of Transportation in 1973, and was appointed Deputy Secretary of Transportation from 1974 through 1977.
Barnum, J. W. (1974). Speeches by Under Secretary of Transportation John W. Barnum: January 1974. United States. Department of Transportation. https://doi.org/10.21949/1gbs-yg28
Barnum, John W.. Speeches by Under Secretary of Transportation John W. Barnum: January 1974. United States. Department of Transportation, 1974. https://doi.org/10.21949/1gbs-yg28.
Barnum, John W. Speeches by Under Secretary of Transportation John W. Barnum: January 1974. United States. Department of Transportation, 1974, ROSA P. https://doi.org/10.21949/1gbs-yg28.
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