Yin Cheng Gong Fa My teacher,  Master Zhang Yun's home page. It is worth spending some time here.  The site has a great deal of information about the internal martial arts in general, and about Taiji Quan in particular.

Academic Training Traditions The website of my elder boxing  brother,  Shifu Paul Cote. Mr. Cote teaches Xing I, Bagua, and Taiji, in Frederick, Maryland

Capital Katori Shinto Ryu The website for Capital Katori Shinto Ryu which teaches the Japanese Koyru Tenshin Shoden Katori Shinto Ryu in Silver Spring, Maryland.

Sugawara Sogo Budo The website of my Katori teacher, Tetsutaka Sugawara who teaches Katori, Aikido, and Tai Chi in Machida, Japan.

Honshinkan The Facebook page of my good friend and senior Katori teacher, Eric Zmarzly, who teaches Katori, Aikido, and Taiji in Petaluma, California.