Inside Out Library
Parlor problems, or, Mental mathematical magic (1920)
Hickey, Preston Langley., Harry Houdini Collection (Library of Congress) · Minneapolis, Minn. : Printed by Augsburg Publishing House, c1920. · leaf 2
The Joun J. and Hanna M. McManus and Mornis N. and Cuestey V. Younc CollectionHandbooks, manuals, etc · Mathematical recreations
Library of Congress, Rare Book and Special Collections Division · No known copyright restrictions. Free to use for anything.
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