Ordinary History: Melvil Dewey and His System | Libraries

Let's talk about Melvil Dewey and his famous system. What did libraries do before the Dewey decimal system, and what are we moving towards now?
Music is Deck the Halls (Instrumental) by Jingle Punks
and is available in the YouTube audio library.
Links:
https://www.oclc.org/dewey/features/summaries.en.html
https://www.loc.gov/catdir/cpso/lcc.html
https://en.wikipedia.org/wiki/Melvil_Dewey
Photo: https://en.wikipedia.org/wiki/Dewey_Decimal_Classification

Видео Ordinary History: Melvil Dewey and His System | Libraries канала History Is Fun