Advertisement in "The Farmer's Cabinet," of Amherst NH, published  on 26  December 1876; Volume: 75; Issue: 25; Page: 4.  Hale's Honey of Horehound and Tar claimed to cure "coughs, colds, influenza, hoarseness, difficult breathing, and all affections of the throat, bronchial tubes and lungs, leading to consumption (tuberculosis).  See article about the Spanish Flu.