Smith, Daniel Blake. "Mortality and Family in the Colonial Chesapeake." Journal of Interdisciplinary History, 8 3 (Winter, 1978): 403-427.

• John Tennent . Every man his own doctor, or, The poor planter's physician: prescribing, plain and easy means for persons to cure themselves of all, or most of the distempers, incident to this climate, and with very little charge, the medicines being chiefly of the growth and production of this country.  Williamsburg, Rockefeller Library, RC81.T42 1736a, rare books and special collections.

Colonial Williamsburg Foundation

book

Massachusetts Historical Society

Recipe Take the wild or Indian Turnip when it is in blossom or has the fruit on it, wash and cut it in thin slices Run a thread thro it, and hang it in the chimney corner to dry quickly but do not let the fire come to it - when it is very dry power [sic] it in a mortar - the potion to take as much as will lay on the point of a knife when the difficulty of breathing or coughing come on make it in to a bolus with honey - it may be repeated as often as the stomack will bear till it gives ease.