As an exhibit, I have collected a large-ish library of the exact topics you mention, and I'd say it is becoming hard to manage. Nothing beats books for long ter

As an exhibit, I have collected a large-ish library of the exact topics you mention, and I'd say it is becoming hard to manage. Nothing beats books for long term storage of information though, so I still indulge couple of titles per year, but hold the books I buy to increasingly higher standards.