Pelfrey, William
Billy, Alfred, and General Motors: the story of two unique men, a legendary company, and a remarkable time in American history
American Management Association, 2006
 eBooks
Adam, Mike
Lee de Forest : king of radio, television, and film
Springer, 2012
 eBooks
Giant enterprise ford, general motors, and the automobile industry : sources and readings / Edited by Alfred D. Chandler
Harcourt , 1964
 Buku Teks
The Autobiography of Benjamin Franklin
edited by Gordon S. Haight
Walter J. Black, 1941
 Buku Teks
Day, Donald
Will Rogers A Autobiography/Donald Day
David McKay Com., 1962
 Buku Teks