1Thomas Jefferson to Antonio Dugnani, 7 March 1815 (Jefferson Papers)
My friend Doct r Barton proposing, for the benefit of his health, a voyage across the Atlantic , and a trial of the air of Europe , will probably be tempted to visit the classical and Splendid city of Rome . he is one of the Vice presidents of the American Philosophical society , Professor of Natural history, Botany, Materia Medica, and of the Institutes and Clinical practice of medecine in...