Guns Magazine has scanned and posted full copies of some of their magazines from 1955 to 1964. You can pick through and download them as PDF files. Articles about everything, some sort of dated, others as timely as if they were just written. I like the ads and the letters. It's like a window into America people have forgotten.
Pick one and open it up. Come back and share in the comments the most interesting thing you find. We'll make up some posts if it seems worthwhile.