CHARTS

I. THE USE OF PUBLIC LIBRARIES BY DIF-
FERENT AGE GROUPS (CHILDREN AND
ADULTS) 22

II. PROPORTION OF PEOPLE WHO SAY THEY
WOULD OR MIGHT USE PROPOSED SERVICES
OF THE PUBLIC LIBRARY 8o

III. TREND IN PUBLIC LIBRARY CIRCULATION
FROM 1908 TO 1940, IN CITIES OF DIFFER-
ENT SIZES, BY PER CAPITA CIRCULATION 89

IV. TRENDS OF PUBLIC LIBRARY REGISTRA-
TION AND CIRCULATION, 1930—3§ 91

V. TREND OF PUBLIC LIBRARY CIRCULATION
OF ADULT, FICTION AND NONFICTION,

1930=35 92
VI. TREND OF PUBLIC LIBRARY CIRCULATION
IN ILLINOIS, 1938—47 : 93

VII. TREND IN PUBLIC LIBRARY CIRCULATION
BY MONTH, 1946 93

VIII. TRENDIN ADULT CIRCULATION OF FICTION
AND NONFICTION BY MONTH, FOR THREE
REGIONAL BRANCH LIBRARIES IN CHICAGO,

1947
. CONCENTRATION OF EXPOSURE TO MAJOR

MASS MEDIA OF COMMUNICATION, BY THE
ADULT POPULATION AS A WHOLE