1. Biographical memoir of Thomas Spencer, M.D., professor of the theory and practice of medicine, &c: read before the Medical Society of the State of New-York, February 2d, 1858 Author(s): Willard, Sylvester David, 1825-1865 Publication: Albany : Van Benthuysen, printer, 1858 Subject(s): PhysiciansNew YorkSpencer, Thomas, 1793-1857.