http://www.oldcardboard.com/ref/rookies/rookieslist.asp
I thinks there's a handful of updates/changes that haven't been made, but it works for easy visual reference..
and these are Phil's lists from here that I reference most often..
http://www.net54baseball.com/showthread.php?t=141603
http://www.net54baseball.com/showthread.php?t=128179
I think Phil had some other sites floating around on the net somewhere, but none that I can find anymore..