1. A secret worth knowing: a treatise on the most important subject in the world, simply to say, insanity : the only work of the kind in the United States, or, perhaps, in the known world, founded on general observation and truth Author(s): Grimes, G. (Green), b. 1809 Publication: Nashville, Tenn. : [s.n.], 1845 Subject(s): Mental DisordersMental Health ServicesTennessee