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|Franklin Institute Online|
|Puzzles from the inQuiry Almanack Puzzle Archive: e.g. Cryptograms, January, 1998. Coded messages hide famous quotations. A clue is offered to begin breaking the code, and an answer key is provided. One puzzle a month from March of 1995 through July of 1998.|
|Levels:||Elementary, Middle School (6-8), High School (9-12)|
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