1948 Michigan 1970 Cornell
1949 Boston College 1971 Boston University
1950 Colorado College 1972 Boston University
1951 Michigan 1973 Wisconsin
1952 Michigan 1974 Minnesota
1953 Michigan 1975 Michigan Tech
1954 RPI 1976 Minnesota
1955 Michigan 1977 Wisconsin
1956 Michigan 1978 Boston University
1957 Colorado College 1979 Minnesota
1958 Denver 1980 North Dakota
1959 North Dakota 1981 Wisconsin
1960 Denver 1982 North Dakota
1961 Denver 1983 Wisconsin
1962 Michigan Tech 1984 Bowling Green
1963 North Dakota 1985 RPI
1964 Michigan 1986 Michigan State
1965 Michigan Tech 1987 North Dakota
1966 Michigan State 1988 Lake Superior State
1967 Cornell 1989 Harvard
1968 Denver 1990 Wisconsin
1969 Denver 1991 Northern Michigan
Information from 1991 World Almanac and Book of Facts.
National Championships (last):
Michigan 7 (1964)
Wisconsin 5 (1990)
North Dakota 5 (1987)
Denver 5 (1969)
Minnesota 3 (1979)
Boston Univ. 3 (1978)
Michigan Tech 3 (1975)
Michigan St. 2 (1986)
RPI 2 (1985)
Cornell 2 (1970)
Colorado Coll 2 (1957)
five others 1 (No. Michigan '91, Harvard '89, Lake Superior State '88,
Bowling Green '84, Boston College '49)