The French Horn - A great horn page with lots of information about horn playing and many horn links too!
International Horn Society -
An organization dedicated to performance, teaching, composition, research, and the preservation and promotion of the horn as a musical instrument
International Trumpet Guild - An organization to promote communications among trumpet players around the world and to improve the artistic level of performance, teaching, and literature associated with the trumpet.
Trumpet Herald - The Trumpet Herald strives to bring trumpet performers of all ages and skill levels together in a meaningful way
The Trumpet Studio - Artitcles, tips supplies, equipment related to the trumpet
Online Trombone Journal - This includes over 150 articles, a section "Just for Beginners", a worldwide directory of trombonists, links to other trombone related sites, a public forum, and much more
The Trombone Sound - Links to other trombone related sites, the history of the trombone, and some helpful hints
Tuba & Baritone News - A monthly online magazine which offers timely news and information about a range of topics about the tuba and euphonium (baritone horn)