them; can be expanded, without limit and without confusion or waste of
labor, in both catalogs and on shelves, or in catalogs alone; checks
more thoroughly and conveniently against mistakes; admits more readily
numerous cross references; is unchangeable in its call-numbers, and so
gives them in all places where needed, as given in no other system;
in its index affords an answer to the greatest objection to class
catalogs, and is the first satisfactory union of the advantages of the
class and dictionary systems.

The Decimal system is used by a large number of libraries in this
country, and has gained recognition and has been put to use by some
librarians and men of science in Europe.

Divisions

000 General Works
010 Bibliography.
020 Library Economy.
030 General Cyclopedias.
040 General Collections.
050 General Periodicals.
060 General Societies.
070 Newspapers.
080 Special Libraries. Polygraphy.
090 Book Rarities.

100 Philosophy
100 Metaphysics.
120 Special Metaphysical Topics.
130 Mind and Body.