Three TADS 3.0.9 Quick Reference Charts in PDF format, by Eric Eve. The charts are for Templates, Action Messages, and Dynamic Characters.
Getting Started in TADS 3, an introduction to writing IF in TADS 3.0.16, in PDF format, by Eric Eve.
The full documentation package for TADS 3.1.2, including:
TADS 3 Tour Guide for TADS 3.0.16, a more in-depth reference and tutorial for people who have completed the Getting Started Guide, in CHM help file format for Windows, by Eric Eve. ("The Quest of the Golden Banana", the TADS 3 game developed in this guide, is available as games/tads/banana.zip)
TADS 3 Tour Guide for TADS 3.0.16 in HTML format.
TADS 3 Tour Guide for TADS 3.0.16 in PDF format.