For those of you intersted, I found a Sumerian Lexicon online. It is a work in progress (over the last fourteen years), so if you do have a word to add, then you may do so. This lexicon is in .pdf format, but the home of it is at: http://www.sumerian.org .

This is great for those like me who don't want to spend $100.00 on a lexicon in book form. Although, someday it is my dream to upgrad from the website to an actual book. It's much easier to flip through a book than a website. :D

Also, on a lesser scale, I found this site: Sumerian Dictionary. It seems to deal with Sumerian magic and I can't say for certain if all the translations are correct. But, it's a good starting point all the same.