- Michael Stifel: An entry from Gale's <i>Science and Its Times</i> by Judson Knight, 2001
- Vollständiger Lehrgang der Arithmetik by Michael Stifel, 2007
- End of the World, Predictions of: An entry from Macmillan Reference USA's <i>Macmillan Reference USA Science Library: Mathematics</i> by Arthur V., II Johnson, 2002
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