1.
|
Boston, Little, Brown [1964]
|
2.
|
Orlando, FL : Harcourt, 1998.
|
3.
|
New York, Harcourt Brace Jovanovich [1974, c1961]
|
4.
|
New York, Harcourt Brace Jovanovich [1971, c1966]
|
5.
|
Boston, Houghton Mifflin, 1974.
|
6.
|
San Diego, Calif. : Harcourt, Inc. 2000.
|
7.
|
Orlando, FL : Harcourt, 2003.
|