
William Klein, Sr. ca. 1905
William Klein
Bibliographies
- Brenner, Joel Glenn. Emperors of Chocolate: Inside the Secret World of Hershey and Mars. . New York: Random House, 2009.
- D’Antonio, Michael. Milton S. Hershey’s Extraordinary Life of Wealth, Empire, and Utopian Dreams. . New York: Simon & Schuster, 2006.
- MacMaster, Richard. Elizabethtown: The First Three Centuries. . Elizabethtown, Pa.: Elizabethtown Historical Society, 1997.
- Snyder, Rodney, Bradley Foliart Olsen, and Laura Palllas Brindle. From Stone Metates to Steel Mills: The Evolution of Chocolate Manufacturing. </em>In<em> Chocolate: History, Culture, Heritage</em>, ed. Louis Grivetti<em>. Hoboken, N.J.: John Wiley, 2009, 611–624.
- . William Klein. Cyclopedia of American Biography.. New York: James T. White, 1892–1984.
Archival Collections
- Klein Chocolate Company: Fiftieth Anniversary 1913–1963booklet, in “Chocolate Industry” folder, Information Files, Lancaster County Historical Society, Lancaster, Pa.
- Oral History interview with George Bowman#89OH79, Hershey Community Archives Oral History Collection