This author-title-subject-list, or dictionary catalog, will tell at a glance if the library has books a) by a certain author; b) with a given title; c) on a given subject.

These are the questions most often asked.
[Illustration: Subject card.

(Reduced; actual size, 7-1/2 x 12-1/2 cm.) 973.2 U.S.

history- colonial.
C65 Coffin, Charles Carleton 1823- _Old_ times in the colonies.
460 p.il.O N.Y.

c[1880]] There are in print several books giving rules for cataloging.