To learn more about the history of Christmas in America:
Penne L. Restad, Christmas in America: A History (New York: Oxford University Press, 1996).
To learn more about the history of obsolete paper currency in America:
William H. Griffiths, The Story of the American Bank Note Company (New York: n.p., 1959).
James A. Haxby, A Standard Catalog of United States Obsolete Bank Notes, 1782-1866,4 vols. (Iola, Wis.: Krause Publications, 1988).
Virginia Hewitt, ed., The Banker's Art: Studies on Paper Money (London: The British Museum, 1995).Some of these selected references may be difficult to find in your local library, but all are available through the American Numismatic Association. See the ANA website at www.money.org for details on how to become a member and borrow books.