> Does anyone know where I can get a list of all the
> Kosher markings and what they mean?
>

See:  http://www.kashrut.com/
I don't think they have a comprehensive list on the site but they may be able to
help you.

There is also a book that you can get from Amazon.com (and I'm sure other
book stores) that is really helpful:

The Kosher Companion : A Guide to Food, Cooking, Shopping,
                 and Services
                 by Trudy Garfunkel

 --Tammy