Head, Sydney W.
Broadcasting in America : a survey of electronic media / Sydney W. Head, Christopher H. Sterling
Houghton Miffiln, 1987
Buku Teks
Television in the antenna age : a concise history / David Marc and Robert J. Thompson
Blackwell, 2005
eBooks
Alden, John Richard
A History of the United States
American Book Company, 1960
Buku Teks SO
Williams, T. Harry
A history of the United States (to 1876)
Alfred A. Knopf, 1963
Buku Teks SO
Risjord, Norman K.
America a history of the United States
Prentice-Hall, 1985
Buku Teks SO