I keep my notes about the Chen Taijiquan, First Frame, Second Form, Laojia Erlu, on a webpage at the Cloud Hands website. This form is widely known as "Cannon Bashing Fist" or "Cannot Fist" (Paocui).
This is a vigorous and dynamic Chen Taijiquan form for intermediate and advanced students.
Bibliography, Links, DVDs, Resources, List of Movements, Videos, Notes
By Michael Garofalo