Collecting

Peter Wayne: Warm-up Exercises
https://www.youtube.com/watch?v=yGeOQuN-0PE

Peter Wayne: Five Basic Tai Chi Movements
https://www.youtube.com/watch?v=PqxNQmdcp1w

Full text online of Peter Wayne's Harvard Medical School Guide to Tai Chi

Different online instructional video
https://www.youtube.com/watch?v=Qegsm9-q2-o