http://p-cos.net/lisp/guide.html
I have written this as a report on my learning experiences when I switched from Java to CommonLisp in 2002. - PascalCostanza
This was one of the documents that I ran into early in my recent effort at reacquaintance with Lisp. It was very helpful, especially the references to more in-depth online and offline resources. Thank you, Pascal! -- DanMuller