You've got 4 Hall of Famers plus Cicotte out of the 8 cards. Nice!
You should be able to soak those cards off the pages, if you know what you're doing. I would start with the Evans, since it's a common and in the worst shape of the lot, and see how it goes. Here is a post I made a few years ago about how to soak cards:
http://net54baseball.com/showpost.ph...70&postcount=7