So it’s been everyday life when you look at the way books have tables and contents and also indexes in the back and […] decimal system for libraries. […] systems are not perfect but not as good as being able to search to the complete flexible(?) book where you can on Google books, but you can use that kind of system with your own organization. I keep no books that I have indexed every entry I make into the note book I index it in the first couple of pages of the notebook. listen
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