Stafford, William, author
McGraw-Hill, 1966
Buku Teks
Kreuzer, James R., author
Rineharta and Winston, 1960
Buku Teks
Kreuzer, James R., author
Holt, Rinehart and Winston, 1964
Buku Teks
Kreuzer, James R., author
Holt, Rinehart and Winston, 1966
Buku Teks
Sheridan, Harriet W.
Harcourt, Brace & World, Inc., 1966
Koleksi Publik