Philadelphia: Collins, 1869. First Edition. Octavo (23cm.); side-stitched self-wrappers; 64pp.; illus. Some light dust-soil, else Very Good, internally fresh. Illustrated with numerous graphs throughout. The economist Henry Charles Carey's response to David Ames Wells's "Report of the Special Commissioner of the Revenue 1866-69." Wells was a strong advocate of low tariffs, in direct opposition to Carey's own stance, promoting tariff protection and government intervention during his tenure as chief economic advisor to President Abraham Lincoln. Issued as a series of letters addressed to Wells, and concluding with the extract of a speech by William D. Kelley to the House of Representatives, February 4th, 1869.