Directories of (La)TeX information
TUG India is developing a series of online LaTeX tutorials
which can be strongly recommended: select single chapters at a time
from http://www.tug.org.in/tutorials.html — the
set comprises two parts, “Text” and “Graphics”, so far.
Herbert Voss’s excellent
LaTeX tips and tricks is an excellent
source of small articles on the use of LaTeX.
This question on the Web: http://www.tex.ac.uk/cgi-bin/texfaq2html?label=doc-dirs