Stipp, John L.
John Wley, 1967
Buku Teks
Harrison, John B.
Alfred A. Knopf , 1966
Buku Teks
Harrison, John B.
Alfred A. Knopf, 1969
Buku Teks
Viorst, Milton, author
Chilton Books, 1965
Buku Teks
Hughes, Paul L., author
Littlefield, Adams, 1956
Buku Teks