""The Tariff In The Days Of Henry Clay And Since"" is a book written by William McKinley and published in 1896. The book focuses on the history of tariffs in the United States during the time of Henry Clay, a prominent American politician in the early 19th century, and the years following his death. McKinley, who was a former U.S. President and a strong advocate for protective tariffs, provides a detailed analysis of the economic and political factors...