http://www.trombone-society.org.uk/ Details about the society, history, membership information, officers, classified ads, and links. http://www.musicfinland.com/brass/supatus/main.html Introduction to the group, contact details, concerts, and archives. http://www.trombone.net/ Dedicated to the advancement of trombone teaching, performance and literature. http://www.historicbrass.org/hbs/index.htm History of brass instruments, journal information, publications. http://members.aol.com/markrannis/ From trombonist Mark Rannis in Wisconsin. Discussion for trombone players, chat, articles, tips, profiles, and links. http://trombonesonline.com/ TrombonesOnline offers the trombone player an online source for an extensive variety of trombone products and information under one roof! http://home.onestop.net/trombone/ From trombonist Cathy Swenton in Massachusetts. Includes details about joining and a list of webring sites. http://groups.yahoo.com/group/trombonistsanonymous/ A Yahoo! Group devoted to discussion about the trombone. http://groups.yahoo.com/group/trombone/ From trombonist Mark Rannis in Wisconsin. Since 1998 this site has been used to update Trombone Club Online.