64 ANNUAL CATALOGUE.often as necessary. Thus, 512 means class 5 (Natural Science),
division 1 (Mathematics), section 2 (Algebra),...
as adopted, no book number exceeds five places.
Then all numbers must range between 0 and 999.99
general
works, between 0 and 99, together with decimal divisions
Philosophy, between 100 and 199
Religion, between 200 and
299
Sociology, between 300 and 399
Philology, between 400
and 499
Natural Science, between 500 and 599
Useful Arts,
between 600 and 699
Fine Arts, between 700 and 799
Litera¬
ture, between 800 and 899
History, between 900 and 999.Each book label, besides the section number, contains either
the authors name in full or else the first four&...
others by somewhat closer study. All elim¬
inate frequent catalogue consultation. Thus, 103 is a diction¬
ary of Philosophy
203, the same of religion
303, a dictionary
of sociology, etc. Again, all books bearing especially on En¬
glish travel are marked 914.2. Dropping the 1 and r...