756
Increasing Understanding of Public Problems and Policies:1951 (22)
757
Increasing Understanding of Public Problems and Policies:1952 (18)
758
Increasing Understanding of Public Problems and Policies:1953 (15)
759
Increasing Understanding of Public Problems and Policies:1954 (17)
760
Increasing Understanding of Public Problems and Policies:1955 (18)
761
Increasing Understanding of Public Problems and Policies:1956 (20)
762
Increasing Understanding of Public Problems and Policies:1957 (22)
763
Increasing Understanding of Public Problems and Policies:1958 (23)
764
Increasing Understanding of Public Problems and Policies:1959 (23)
765
Increasing Understanding of Public Problems and Policies:1960 (25)
766
Increasing Understanding of Public Problems and Policies:1961 (16)
767
Increasing Understanding of Public Problems and Policies:1962 (25)
768
Increasing Understanding of Public Problems and Policies:1963 (22)
769
Increasing Understanding of Public Problems and Policies:1964 (19)
770
Increasing Understanding of Public Problems and Policies:1965 (20)
771
Increasing Understanding of Public Problems and Policies:1966 (19)
772
Increasing Understanding of Public Problems and Policies:1967 (20)
773
Increasing Understanding of Public Problems and Policies:1968 (18)
774
Increasing Understanding of Public Problems and Policies:1969 (20)
775
Increasing Understanding of Public Problems and Policies:1970 (16)
776
Increasing Understanding of Public Problems and Policies:1971 (16)
777
Increasing Understanding of Public Problems and Policies:1972 (27)
778
Increasing Understanding of Public Problems and Policies:1973 (19)
779
Increasing Understanding of Public Problems and Policies:1974 (19)
780
Increasing Understanding of Public Problems and Policies:1975 (16)
781
Increasing Understanding of Public Problems and Policies:1976 (16)
782
Increasing Understanding of Public Problems and Policies:1977 (23)
783
Increasing Understanding of Public Problems and Policies:1978 (23)
784
Increasing Understanding of Public Problems and Policies:1979 (18)
785
Increasing Understanding of Public Problems and Policies:1980 (21)
786
Increasing Understanding of Public Problems and Policies:1981 (19)
787
Increasing Understanding of Public Problems and Policies:1982 (23)
788
Increasing Understanding of Public Problems and Policies:1983 (31)
789
Increasing Understanding of Public Problems and Policies:1984 (25)
790
Increasing Understanding of Public Problems and Policies:1985 (21)
791
Increasing Understanding of Public Problems and Policies:1986 (22)
792
Increasing Understanding of Public Problems and Policies:1987 (29)
793
Increasing Understanding of Public Problems and Policies:1988 (25)
794
Increasing Understanding of Public Problems and Policies:1989 (18)
795
Increasing Understanding of Public Problems and Policies:1990 (28)
796
Increasing Understanding of Public Problems and Policies:1991 (18)
797
Increasing Understanding of Public Problems and Policies:1992 (24)
798
Increasing Understanding of Public Problems and Policies:1993 (28)
799
Increasing Understanding of Public Problems and Policies:1994 (25)
800
Increasing Understanding of Public Problems and Policies:1995 (21)
801
Increasing Understanding of Public Problems and Policies:1996 (21)
802
Increasing Understanding of Public Problems and Policies:1997 (24)
803
Increasing Understanding of Public Problems and Policies:1998 (26)