Where can I find a list of engine fault codes for different car manufacturers?

This book seems to list many fault codes for numerous automobile makes. One Reviewer said the following "Yes, it has over 4000 fault codes, unbelievable. This book is great for me because I work on cars (family and friends) on the weekend, and spare time. My fault code reader shows me the fault code and no text. I could go online and check what the faults mean, but the internet doesn't go where I am, plus not one site has a complete list. This book has helped me get the code definitions to repair what is wrong with the car." I also found the following sites for selected fault codes: <a rel="nofollow" href="http://www.allpar.com/fix/codes.html">http://www.allpar.com/fix/codes.html</a> - for Chysler 1980s and 1990s models <a rel="nofollow" href="http://aa1car.com/trouble-codes/codes_99.htm">http://aa1car.com/trouble-codes/codes_99.htm</a> - for some "generic" trouble codes <a rel="nofollow" href="http://www.bentleypublishers.com/tech/vw/vw.dtc.table.htm">http://www.bentleypublishers. ...  more

This book seems to list many fault codes for numerous automobile makes. One Reviewer said the following "Yes, it has over 4000 fault codes, unbelievable. This book is great for me because I work on cars (family and friends) on the weekend, and spare time. My fault code reader shows me the fault code and no text. I could go online and check what the faults mean, but the internet doesn't go where I am, plus not one site has a complete list.  more