(en-US) Yale Daily News Staff, The Insider's Guide to the Colleges, 2012: Students on Campus Tell You What You Really Want to Know, 38th Edition, St. Martin's Press, (ISBN9780312672966, lire en ligne), p. 268.
books.google.com
(en-US) Patricia Albjerg Graham, Schooling America: How the Public Schools Meet the Nation's Changing Needs, Oxford University Press, (ISBN9780195315844, lire en ligne [archive du ]), p. 216.
(en-US) Christopher J. Walsh, Who's #1?: 100-plus Years of Controversial National Champions in College Football, Taylor Trade Pub., (ISBN978-1-58979-337-8, lire en ligne), p. 187.
(en-US) Indiana, Annual Reports of the Officers of State of the State of Indiana, (lire en ligne).
(en-US) Purdue Reamer Club, A University of Tradition: The Spirit of Purdue, Purdue University Press, (ISBN978-1-55753-191-9, lire en ligne).
(en-US) Robert C. Kriebel, Ross-Ade: Their Purdue Stories, Stadium, and Legacies, Purdue University Press, (ISBN978-1-55753-522-1, lire en ligne).
(en-US) Patricia Albjerg Graham, Schooling America: How the Public Schools Meet the Nation's Changing Needs, Oxford University Press, (ISBN9780195315844, lire en ligne [archive du ]), p. 216.