References
- Christensen, C. 2014. Review of the 2013 Cryptologic History Symposium. Cryptologia, 38(3):276–281.
- Dunin, E. and E. Scheidt. 2015. Kryptos workshop. https://youtu.be/25YFYKKKkDo.
- Lasry, G. 2015. Cracking unsolved historical ciphers and challenges. https://youtu.be/tVFCgCcq70g.
- Lasry, G., N. Kopal, and A. Wacker. 2014. Solving the double transposition challenge with a divide-and-conquer approach. Cryptologia, 38(3):197–214.
- Parkway Chorale. 2013. Puff the magic scanner. https://youtu.be/vsO_YzVemGE.
- Schmeh, K. 2015a. Second Charlotte International Cryptologic Symposium. Cryptologia, 39(1):84–91.
- Schmeh, K. 2015b. Unsolved cryptograms from criminals and crime victims. https://youtu.be/P9hWLo8bJXw.
- Smoot, B. R. 2015. NSA release and transfer of records related to William F. Friedman. Cryptologia, 39(1):1–2.
- Turing, D. 2015. Prof Alan Turing decoded. Stroud: The History Press.