If you look on the web you will find very long, very detailed and a variety of rules for 8 ball pool, 9 ball pool, Kelly pool, Snooker and Billiards. I found a need for a simple preferably one or two page version of the rules suitable for friendly play in clubs. Below are the results so far.
8 Ball Pool.
Eight ball pool rules AAPPA update January 2016
Kelly pool money
English billiards adapted for use on an standard American Pool Table
Rules for English Billiards on US pool tables
9 ball pool (UPA long version is OK)
Snooker adapted for use on a standard American Pool Table
(I have not writtenthis yet but plan to do so in due course.)