American Scientist
The Magazine of Sigma XI, The Scientific Research Society

Year Volume Number

1961 49 (1-4)

1962 50 (1-3)

1963 51 (2-4)

1964 52 (1-4)

1965 53 (1-4)

1966 54 (1-4)

1967 55 (1-4)

1968 56 (1-4)

1969 57 (1-4)

1970 58 (1-6)

1971 59 (1-6)

1972 60 (1, 3-5)

1973 61 (1-5)

1974 62 (5, 6)

1975 63 (1-6)

1976 64 (1-6)

1977 65 (1-6)

1978 66 (1-6)

1979 67 (1-4)

1980

1981 69 (1-6)

1982 70 (1, 3-6)

1983 71 (1, 2, 4-6)

1984 72 (1, 3-6)

1985 73 (1-4, 6)

1986 74 (1-6)

1987 75 (1-6)

1988 76 (1-5)

1989 77 (2-6)

1990 78 (2-6)

1991 79 (2, 4-6)

1992

1993

1994 82 (1, 5, 6)

1995 83 (1)

1996 84 (4)

1997 85 (2, 6)

1998 86 (2, 4)