The NSFSt in this case means NOT SAFE FOR SENSITIVE TYPES. Because it’s not sexual, and I don’t know how to classify it. It’s an old book.

My dad checked this out of library in his home town in Ohio over 40 years ago, forgot to return it (lol), and I found it under some books and magazines in my room. He must’ve given it to me at some point but I can’t remember when:

It’s weird having a history book that only goes to 1965. I might learn something new from this.