found: Gwinn, Charles J. M. The Stevens railroad bill, and how it will operate, 1866?:t.p. (name not given) signed at end on p. 12 (Vindex, Washington, February 12th, 1866)
found: LC manual auth. cd. :(hdg.: Gwinn, Charles J.M.; author of The Stevens railroad bill and how it will operate, [1866]; Vindex, pseud.)
found: NUC pre-1956 :(hdg.: Gwinn, Charles J.M.)
found: A condensed statement of the requirements of the principal university medical schools in Europe with regard to candidates for the degree of doctor of medicine, 1893:t.p. (Chas. J.M. Gwinn, one of the trustees of the Johns Hopkins University)
