This is yet another interesting source of data. This site specializes in databases prepared by the United States government.

Eve Ahern. The new Enigma Public. Enigma blog (June 20, 2017). Available at

This Recommendation was added to the website on 2017-06-26 and was last modified on 2020-02-29. You can find similar pages at Datasets.

An earlier version of this page appears here.