- A Handbook of Statistical Analyses Using S-Plus - By Brian S. Everitt; CRC Press, 2001, ISBN 1584882808. For applied statisticians, researchers, students. Introduces possibilities of S-Plus, S-Plus 2000, S-Plus 6, for data analysis.
- Applied Statistics in the Pharmaceutical Industry: Millard and Krause - Book describing the drug development process illustrating the practical problems and the statistical approaches to tackling them using S-Plus.
- ESS: Emacs Speaks Statistics - Package for GNU Emacs, provides command-line, editing and transcript support for S-Plus on Unix, Windows.
- StatLib - Software and extensions for the S (S-Plus) language.
