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Periodical

KEEPING SECRETS SECRET.

Subjects: CRYPTOGRAPHY; MONOGRAMS; CIRCLE

  • Source: Ask. Jan2023, Vol. 22 Issue 1, p6-13. 8p. 26 Color Photographs.

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Periodical

KIDS' PICKS.

Subjects: CRYPTOGRAPHY

  • Source: Highlights. Mar2024, Vol. 79 Issue 3, p41-41. 1p. 4 Color Photographs.

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Periodical

Secret Writing Revealed.

Subjects: CRYPTOGRAPHY; WORLD War I; WORLD War II

  • Source: Muse. Jan2023, Vol. 27 Issue 1, p10-14. 5p. 8 Color Photographs.

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Periodical

Write a secret code.

Subjects: CRYPTOGRAPHY

  • Source: Poppy For Real. Jul2023, p57-57. 1p. 2 Color Photographs.

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Periodical

ALICE & BOB ARE ON THE CASE.

Subjects: CRYPTOGRAPHY; DIGITAL signatures

  • Source: Muse. Mar2018, Vol. 22 Issue 3, p10-13. 4p. 2 Color Photographs.

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Periodical

ALICE and BOB SHARE SECRETS ONLINE.

Subjects: CRYPTOGRAPHY; ONLINE shopping

  • Source: Ask. Jan2023, Vol. 22 Issue 1, p22-23. 2p. 4 Color Photographs.

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Periodical

Beatrix Potter.

Subjects: POTTER, Beatrix, 1866-1943; CRYPTOGRAPHY; SHEEP ranchers

  • Source: Poppy For Real. Oct2022, p32-33. 2p. 2 Color Photographs.

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Periodical

Secret leaf writing.

Subjects: CRYPTOGRAPHY

  • Source: Poppy For Real. Mar2023, p42-42. 1p. 1 Color Photograph.

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Periodical

SENDING SECRETS.

Subjects: SPIES; CRYPTOGRAPHY

  • Source: Cobblestone. Oct2018, Vol. 39 Issue 8, p16-18. 3p. 2 Color Photographs, 4 Cartoon or Caricatures.

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  • 1-10 of  89 results for ""CRYPTOGRAPHY""