Wallbank, T. Walter, author
Scott, Foresman, 1965
Buku Teks
Wallbank, T. Walter, author
Scott, Foresman, 1967
Buku Teks
Beard, Charles A., author
Macmillan, 1948
Buku Teks
Fairservis, Walter A., author
New American Library, 1959
Buku Teks
Hamilton, Edith, author
New American Library, 1951
Buku Teks