TRENDS IN USE 93 Cuarr VI TrenDp oF PusLic LiBrary CircuratioN IN ILLINOIS, 1938-47 INDEX NUMBER 70 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 YEAR Data from Goldhor, 1947. Cuart VII TreND IN PusLic LiBrary CIRcULATION BY MONTH, 1946° PERCENTAGE OF ANNUAL CIRCULATION AN, FEB. MAR. APR. MAY JUNE JULY AUG., SEPT. OCT. NOV, DEC. MONTH *Constructed from information supplied by 94 libraries serving populations of 25,000 and above.