(sung to the tune of Rudolf the Red-nosed Reindeer) You know Dana and Dempsey  and Avram and Nutter. S.R. and Putnam and Berman and Cutter.   But do you recall The most famous librarian of all?   Dewey the Decimal Maker had a healthy love of tens. He saw the scattered book shelves through his metric decimal lens.   All of the other book worms still liked keeping books on chains. They knew a book’s location– kept it locked up in their brains.   Then one fateful shelving day a cataloger caught the bug Dewey with your decimal scheme 1-3-5-point-3 …