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  1. Code breaker, spy hunter : how Elizebeth Friedman changed the course of two world wars /
    Code breaker spy hunter
    how Elizebeth Friedman changed the course of two world wars
    Book
    由 Wallmark, Laurie
    出版 2021
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  2. The woman all spies fear : code breaker Elizebeth Smith Friedman and her hidden life /
    The woman all spies fear
    code breaker Elizebeth Smith Friedman and her hidden life
    Book
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