Topic summary
Letter frequencies

Extracted from the Wikipedia article Letter frequency.
External links
- Letter Frequencies
- Lewand, Robert Edward. "Cryptographical Mathematics". pages.central.edu. Archived from the original on 2007-04-02.
- "Some examples of letter frequency rankings in some common languages". www.bckelk.org.uk.
- "JavaScript Heatmap Visualization showing letter frequencies of texts on different keyboard layouts". www.patrick-wied.at.
- Norvig, Peter. "An updated version of Mayzner's work using Google books Ngrams data set". norvig.com.
- Letter frequency—simia.net