hornplayer.net - Advertise your horn for free in the immensely popular free classifieds section.  Plus much more.

Horndoggie - Random notes on music, for: French horn players, musicians, educators & aficionados. New entries are posted whenever I have time.

Thomas Bacon Horn Page - A site also by Bruce Hembd.  Thomas Bacon provides an abundant source of information.

The Horn Player's FAQ - A FAQ for horn players by Ron Boerger

Hornworks - A site by Jim Patterson

Hans Pizka's Homepage - A great resource by Hans Pizka.

Los Angeles Horn Club - A interesting site with some good information.

Osmun Music Co. - Maintained by Bruce Hembd; A great store.

Lawson Horn Co. - A small horn shop in Western Maryland, they produce some of the finest instruments in the world for both professionals and amateurs. They sell great mouthpieces too!