Insightful articles written by Karel Koskuba and lots of other useful Yiquan information.
The Chinese Internal Arts Association run by instructors Karel & Eva Koskuba. Great exemplars of the internal arts.
Sam Moor is a dedicated practitioner, excellent teacher and my long time training partner.
Glen McPheat, another fine teacher from the CIAA fold. His enthusiasm and fascination for Tai Chi seems endless.
Armand is a talented taichi instructor and fellow Yiquan practitioner, if you're ever in Majorca do visit his class.