Flower, Linda, author
Hancourt Brace Jovanovich, 1981
Buku Teks
Bailey, Edward P., author
Charles E. Merrill, 1984
Buku Teks
Barnet, Sylvan, author
Batsford Academic and Educational, 1985
Buku Teks
Arapoff, Nancy
Holt, Rinehart and Winston, 1970
Buku Teks
McCrimmon, James M.
Houghton Miffiln, 1963
Buku Teks