TABLE 7 PusLic LiBrary Users (Apurts) IN DIFFeRENT AGE GROUPS, ADAPTED FROM VARIOUS STUDIES PERCENTAGES Flexner & Hopkins 1941: Haygood, 1938 Readers Link Field & Age Fair Ellsworth Circu- Refer- Advisory Kaplan Berelson Montclair & Hopf Cole Peacock Berelson SRC Group 1935 1937 lation ence Services 1943 1945 1945 1947 1946 1948 1948 1948 1948 Young 84 44 Middle 32 Gia e P 147 4,907 Young 20-44 20-29 Middle 3044 - Old 45and 45and over over 781138 65 65 42 37044 £6:.. 90 36 41 .63 I1 36 31 24 38 34 32 18 19 37 41 21 I1 26 4 I1 20 35 24 26 I1 257 18 12 TOTAL NUMBER OF CASES 3,760 132 20,3501 7796 25960, 158 310 274228 SPECIFIC AGE GROUPS INCLUDED IN EACH CATEGORY 10-29 15-20 18-35 20-34 15-30 20-39 20-39 15-30 21-34 21-44 30-49 3049 36-50 35-54 3I1-50 4049 40-55 3150 3554 45-59 soand soand soand §5 and srand soand s6and srand s55and 6oand over over over over over over over - Over A, OVer Qver