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McCall's Golden Do it Book
Joan Wyckoff
Hardcover (New York: Golden Press, 1960, )None
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Who Really Invented the Submarine
J. Wyckoff
Library Binding (Putnam Pub Group (L), Jan. 1, 2000)None
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Helicopter Man: Igor Sikorsky and His Amazing Invention by Wyckoff, Edwin Brit
Wyckoff
Library Binding (Enslow Elementary, 2010, )Helicopter Man: Igor Sikorsky and His Amazing Invention by Wyckoff, Edwin Bri...