For those who are newcomers to the philatelic community on the 'Net,
Joe Luft's home page is a great source of information and lins to anything that's philatelic in nature.
Linn's Stamp News, the world's largest weekly philatelic publication now has a very good search tool that is designed just for collectors. Unlike other search engines on the 'Net, this site is devoted totally to stamp collecting-related web sites.
For collectors of all ages and levels,
Lee's Illustrated Stamp Listopedia is a very helpful tool which will guide you to specific areas of interest that are available on the 'Net, and just how to get to themk. We urge you to bookmark this fine site.
Ebay site with auctions for many stamps and covers.
Just been given an old stamp collection and don't know what to do with it? Review advice from the Virtual Stamp Club site.