E Figure sources

Preface, uncaptioned

  1. Photo of the authors, Elonka Dunin and Klaus Schmeh, in front of the wall mural at Beale’s Beer restaurant in Bedford, Virginia, https://www.bealesbeer.com

Chapter 1, captioned

  1. 1-1. Encrypted postcard supplied by Karsten Hansky

Chapter 1, uncaptioned

  1. Newspaper clipping
  2. Chart created by authors
  3. CrypTool 2 screenshot, created by authors
  4. Codex compendium: Wellcome Library, London
  5. Encrypted postcard from Charnwood Genealogy website, http://www.charnwood-genealogy.com
  6. Encrypted postcard supplied by Tobias Schrödel
  7. Excerpt of Manchester cryptogram, Cryptolog 109 (1987)
  8. Turning grille cryptogram provided by Paolo Bonavoglia
  9. Page from Written Mnemonics: Illustrated by Copious Examples from Moral Philosophy, ...

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