Dewey was born on 10 December 1851. His book was published before April 1876. He would have been 24 at that time.
Lydenberg, H.M. Dewey, Melvil. Dictionary of American Biography. New York: Charles Scribner's Sons, 1944. Suplement I; pp 241-243.
Dewey published A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library in 1876. He had developed it while working in the library at Amherst College. It...
He had created it as he was dismayed at the way the books were organized and wanted people to not have to struggle to find a specific book.
Art is under the 700's.
Melvil Dewey
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