1.
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Boston, Houghton Mifflin, 1968.
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2.
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New York : Aladdin Books ; Toronto : Maxwell Macmillan Canada ; New York : Maxwell Macmillan International, 1991.
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3.
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New York : Lothrop, Lee & Shepard Co., c1946.
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4.
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New York : Scribner, [1986], c1954.
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5.
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New York : Doubleday Book for Young Readers, 2003, c1946.
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6.
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Garden City, N.Y., Doubleday, 1961.
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