References

The Story of Brach. Chicago: E. J. Brach and Sons, 1923.

Timken Company Archives. Canton, OH.

Walter P. Paepcke Papers. Special Collections Research Center, University of Chicago Library. Finding aid.

Werner Frank Oral History. conducted by Jeffrey Yost, Mountain View, CA, February 14, 2006, Computer History Museum. Transcript online.

Western Sugar Refinery Records, 1871-1949. Bancroft Library, University of California, Berkeley. Finding Aid.

William Blum Thalhimer, Jr. Corporate and Family Archives, 1862-1992. Mss1 T3275a FA1, Virginia Historical Society, Richmond, VA. Finding aid.

Wistar Family Papers. Historical Society of Pennsylvania, Philadelphia [HSP].

Wurlitzer Company Records, 1860-1984. The Archives Center of the National Museum of American History. Finding Aid.

Yerkes Observatory. Office of the Director. Records, Special Collections Research Center, University of Chicago Library. Finding aid.

Breschini, Gary S., Mona Dudgel, and Trudy Haversat. Images of America: Spreckels. Charleston: Arcadia Publishing, 2006.

Adams, Frank. Wurlitzer Jukeboxes and Other Nice Things 1934-1974. Seattle: AMR Pub. Co., 1983.

Adams, Stephen B. Mr. Kaiser Goes to Washington: The Rise of a Government Entrepreneur. Chapel Hill: University of North Carolina Press, 1997.

Adams, Willi Paul. "The Colonial German-Language Press and the American Revolution." In The Press & the American Revolution, eds. Bernard Bailyn and John B. Hench, 151-228 Worcester: American Antiquarian Society, 1980.

Adler, Cyrus. Jacob Schiff: A Biographical Sketch. New York, NY: American Jewish Committee, 1921.

Adler, Cyrus. Schiff: His Life and Letters. 1928. Reprint, Garden City, NY: Doubleday, Doran and Company, Inc., 1968.

Adler, Dorothy R. British Investment in American Railways 1834-1898. Edited by Muriel Hidy. Charlottesville: The University Press of Virginia, 1970.

Adler, Jacob. Claus Spreckels. The Sugar King in Hawaii. Honolulu: University of Hawaii Press, 1966.

Albrecht, Henning. Adolph Lewisohn – Kupfermagnat im “Goldenen Zeitalter”. Hamburg, 2013..

Allen, George. "Rittenhouse Paper Mill and Its Founder." Mennonite Quarterly Review 16 (1942): 108-28.

Allen, James S.. The Romance of Commerce and Culture: Capitalism, Modernism, and the Chicago–Aspen Crusade for Cultural Reform. Chicago: University of Chicago Press, 1983.