Clemens, Cyril. Mark Twain and John F. Kennedy. Kirkwood, Missouri: Mark Twain Journal, 1962. 1st Edition. 
Printed wrappers, 5 1/2 x 8 1/2 inches, 12 pp. Inscribed on the title page by the author, "John S. Mayfield and his Renowned Library, Cyril Clemens, Washington's Birthday, 1970." With a spelling correction in pencil on the dedication page, made by Mayfield. Mayfield's name stamp inside the rear cover. Fine. Pamphlet.
Cyril Clemens was a cousin to Samuel Clemens, and was his biographer. He collected materials relating to his famous relative. This is a compilation of remarks regarding Mark Twain made by American Presidents.