CODELIFORNIA FOR CLASSIFIERS PRINCIPLES GOVERNING THE CONSISTENT PLACING OF BOOKS IN A SYSTEM OF CLASSIFICATION BY WILLIAM Stetson Merrill CHICAGO AMERICAN LIBRARY ASSOCIATION 1928 2696 M4 LIBRARY SCHOOL COPYRIGHT, 1928, BY THE 86 EAST RANDOLPH ST., CHICAGO PUBLISHED NOVEMBER, 1928 PRINTED IN THE U. S. A. |