[ 88 ] Formulae selectae; or a collection of prescriptions of eminent physicians, and the most celebrated patent medicines, New York, 1818; John Ayrton Paris, Pharmacologia; or the history of medicinal substances, with a view to establish the art of prescribing and of composing extemporaneous formulae upon fixed and scientific principles, New York, 1822.
[ 89 ] Philadelphia College of Pharmacy, Formulae for the preparation of eight patent medicines, adopted by the Philadelphia College of Pharmacy, May 4, 1824; Joseph W. England, ed., The first century of the Philadelphia College of Pharmacy, 1821-1921, Philadelphia, 1922.
[ 90 ] "Patent medicines," Journal of the Philadelphia College of Pharmacy, April 1833, vol. 5, pp. 20-31.
[ 91 ] C. Ellis, "Patent medicines," American Journal of Pharmacy, April 1839, new ser., vol. 5, pp. 67-74.
[ 92 ] England, op. cit. (footnote 89), pp. 73, 103.