[ 13 ] Daily Advertiser, London, September 23, 1743.
[ 14 ] Robert Turlington, "A Specifick balsam, called the balsam of life," British patent 596, January 18, 1744.
[ 15 ] Robert Turlington, Turlington's Balsam of Life, ca. 1747. A 46-page pamphlet preserved in the Folger Shakespeare Library, Washington, D. C.
[ 16 ] Daily Advertiser, London, February 18, 1780.
[ 17 ] Broadsides, ca. 1810-1822, advertising "Steer's Chemical Opodeldoc, for bruises, sprains, rheumatism, etc., etc.," are preserved in the American Antiquarian Society, Worcester, Massachusetts; the Library of the New York Academy of Medicine; and the Warshaw Collection of Business Americana, New York.