Weber, Eugen
D.C. Heath, 1959
Buku Teks
Naidis, Mark
Dryden Press, 1972
Buku Teks
Viorst, Milton
Chilton Books, 1965
Buku Teks
Viorst, Milton
Chilton Book Company, 1967
Buku Teks
edited, Daniel D. Mcgarry, Clarence L. Hohl
Houghton Miffiln, 1963
Buku Teks