Book-bot.com - A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library by Dewey, Melvil, 1851-1931

A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library by Melvil Dewey
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=490 Other Languages.=
491 Chinese.
492 Egyptian.
493 Semitic.
494 Indian.
495 Iranian.
496 Keltic.
497 Slavic.
498 Scandinavian.
499 Other.

NATURAL SCIENCE.

=500 Natural Science.=
501 Philosophy.
502 Compends.
503 Dictionaries.
504 Essays.
505 Periodicals.
506 Societies.
507 Education.
508 Travels.
509 History.

=5l0 Mathematics.=