This link has good information about online Netiquette:
http://songweaver.com/netiquette.html
and this one explains some of the jargon and lingo commonly used on lists in general:
http://netlingo.com
Copyright can also be a sticky issue and these two links can give you more help:
http://www.templetons.com/brad/copymyths.html
http://whatiscopyright.org