Gaffney, Thomas L. "Maine's Mr. Smith: A Study of the Career of Francis O. J. Smith, Politician and Entrepreneur." Ph.D. diss., University of Maine, 1979.
Greene, H. W. Letters addressed to Francis O. J. Smith, Representative in Congress from Cumberland District. [Concord? N.H.]: N.p., 1839.
Hayes, Thomas M. The opening and closing arguments of Hon. Thomas M. Hayes and Hon. Francis O. J. Smith, before the Superior court of Suffolk County, Mass., Mr. Justice Putnam, presiding, February 26th, 27th, and 28th, 1866, on a motion for a new trial, in the case of the state vs. Smith. Portland, [Maine]: Press of Brown Thurston & Co., 1866.
Smith, Francis Ormond Jonathan. History getting right on the invention of the American electro-magnetic telegraph. [N.p., 1872?]
------. Mr. Smith's review of the "Letter of Leonard Jarvis, to his constituents of the Hancock and Washington district, in Maine." [N.p., 1835].
------. The secret corresponding vocabulary. Portland, [Maine]: Thurston, Ilsley & Co., 1845.
------. A statement of facts, concerning the history and management of the Portland Gas Light Company. [Portland, Maine: N.p., 1852].