Thanks for that list. I had no idea of the symbolism. I’ve printed it off for future reference.
The best book I’ve found, so far, if you want even more symbols and further details.
http://www.amazon.com/Stories-Stone-Cemetery-Symbolism-Iconography/dp/158685321X/ref=sr_1_1?s=books&ie=UTF8&qid=1360541013&sr=1-1&keywords=stories+in+stone