the one he looked up MA techniques with in the cartoon.
We were trying to remember this when drinking a few nights ago and its been bothering me for days.
http://www.toonopedia.com/hongkong.htm
He achieved his expertise through a correspondence course. During battle, he would frequently consult the textbook from it, The Hong Kong Book of Kung Fu.
I prefer google, but I suppose that is pretty obscure.
thank you.