1. An inaugural dissertation on the chemical properties of atmospheric air: submitted to the examination of the Rev. John Ewing, S.T.P. provost, the trustees and medical professors of the University of Pennsylvania : for a degree of Doctor of Medicine, on the twelfth day of May, 1791
- Cozens, William R., d. 1819
Elmer, Jonathan, 1745-1817, dedicatee
Hunter, Andrew, 1751 or 2-1823, dedicatee
Dobson, Thomas, 1751-1823, printer
University of Pennsylvania.
- Philadelphia : Printed by T. Dobson, MDCCXCI 
- Air -- analysis