Fielding, Mantle, 1865-1941, author
Apollo, 1983
Buku Referensi
Cummings, Paul, author
St. Martin's Press, 1966
Buku Referensi
Kongressional Quarterly, 2000
Buku Teks
edited by Stanley J. Kunitz and Howard Haycraft
H.W. Wilson, 1960
Buku Referensi
Gilbert, Dorothy B., author
R.R.Bowker, [date of publication not identified]
Buku Teks