T documentation for new users?

To: T-Users@YALE.ARPA
Subject: T documentation for new users?
From: Eric Mohr <Mohr@YALE.ARPA>
Date: Wed ,27 Mar 85 16:16:54 EDT
Invalid-addresses: t_users (?Unknown or ambiguous person, mailing list, or local user), RINGTUSERS (?Unknown or ambiguous person, mailing list, or local user)

Does anyone know of existing T documentation for new users?
As a CS222 TA I'm looking for any introductions or tutorials.