http://www.gutenberg.org/ebooks/subject/10796.opds 2024-11-08T17:50:52Z Books about Classification, Dewey decimal (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-08T17:50:52Z https://sendtokindle.compellingsciencefiction.com/ebooks/12513.opds A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library Melvil Dewey