The first version of the SAGE documentation was written by William A. Stein. This growing collection of documents is available in several formats, including typeset versions in PDF and PostScript for printing, from the SAGE Web site.
A list of contributors is available.
General comments and questions regarding this document should be sent by email to wstein@gmail.com. If you are able to provide suggested text, either to replace existing incorrect or unclear material, or additional text to supplement what's already available, we'd appreciate the contribution.