Trumpet Web Sites
International Trumpet Guild: The official trumpeter's guild.
Trumpet Geeks International: More resources than you can shake your bell at.
Trumpet Player Online: A great place to chat or learn more about trumpet at any level.
The Trumpet Master online forum
The Australian Trumpet Guild
Trumpetists (links are to the player's site, or to vids, or other clips)
Other Trumpet-Related Links
Free Trumpet Stuff: Find all kinds of free stuff here.
Trumpet Books: Find lots of method books and other trumpet related books here.
Trumpet Recordings: Find trumpet recordings here.
Orchestral Excerpts: Here's a PDF of a bunch of must-have trumpet excerpts. Hand-written.
Free scores of compositions featuring the trumpet, from the IMSLP.
Trumpet Tips. Mini-essays from Prof. Bryan Goff of Florida State University
Articles for Trumpet Players: Many to choose from
Jazz Trumpet site
Lessons: Tons of lessons here
Practice Tips: Good stuff!
Links Galore: Not well-organized, but lots of 'em.
The Comeback Trumpeter’s Guide.
Jazz transcriptions, articles, and links, by Jeff Helgesen.
More than 300 jazz trumpet transcriptions, by Jacques Gilbert.
The Shulman System trumpet support.
Preview Trumpet Technique, by Prof. Frank Campos (Oxford, 2005).
Preview Inside John Haynie's Studio: A Master Teacher's Lessons on Trumpet and Life, compiled and edited by Anne Hardin (Univ. of N. Texas Press, 2007).