LaTeX command references and examples

I'm not sure this is *the* reference, but here's a Latex help file that helps:

• http://www.emerson.emory.edu/services/latex/latex_toc.html

There's also a Postscript version available on the site for easier printing.

Here are a few others with different formatting styles, including some duplicates:

• http://www.astro.ku.dk/help/LaTeX/ltx-2.html
• http://computing.ee.ethz.ch/.soft/latex/green/ltx-2.html
• http://www.faqs.org/faqs/tex-faq/
• http://www.tex.ac.uk/cgi-bin/texfaq2html?introduction=yes
• http://www.tex.ac.uk/cgi-bin/texfaq2html