Philadelphia: Thomas Dobson, 1792.
, v, 130  pages. 8vo, marbled boards. [Philadelphia: Thomas Dobson, 1792]. First Edition.
Austin 1247. Evans 24534. Dedicated to Benjamin Rush, expressing support of Rush's theories, and to Andrew Mease. This thesis was considered important enough to be republished in London in 1793, sponsored by Dr. Lettsom.