Articles Claude Gordon Practice Routines (The Brass Herald) Philip Biggs' The Brass Herald magazine - February 2009
Articles Claude Gordon and Jeff Purtle (The Brass Herald) Philip Biggs' The Brass Herald magazine - May 2009
Articles Claude Gordon and Herbert L. Clarke (The Brass Herald) Philip Biggs' The Brass Herald magazine - December 2008
Articles Claude Gordon - Master Teacher (The Brass Herald) Philip Biggs' The Brass Herald magazine - October 2008
