J. Gregory Smith/Bibliography

Dowden, Albert Ricker. "John Gregory Smith." Vermont History 32, no. 2 (April 1964): 78-97.
 * Dowden's article deals mostly with Smith's political career to the end of the Civil War and has almost nothing about his business career afterwards.

Encyclopedic sources
http://www.nga.org/cms/home/governors/past-governors-bios/page_vermont/col2-content/main-content-list/title_smith_john.html National Governors Association, "John Gregory Smith," 2015.

Sobel, Robert, and John Raimo, eds. Biographical Directory of the Governors of the United States, 1789-1978, Vol. 4. Westport, CT: Meckler Books, 1978. 4 vols.

The National Cyclopaedia of American Biography, Vol. 8. New York: James T. White & Company.