Ping
None of what you listed would have much value on ebay unless the newspapers were complete and essentially in mint condition. If so expect to get $2 to $10 for the Kennedy papers and probably nothing for the rest. Of course you could pick up a couple of extra bucks on shipping, but doubt that it's worth it. As pointed out earlier, the Life magazines might have a few dollars value if in excellent shape and depending on the cover.
My recommendation is to donate them, and take a tax deduction.