ECU Libraries Catalog
- 1929 to 1929 1
- 1930 to 1934 0
- 1935 to 1939 0
- 1940 to 1944 0
- 1945 to 1949 2
- 1950 to 1954 4
- 1955 to 1959 14
- 1960 to 1964 14
- 1965 to 1969 18
- 1970 to 1974 1
- 1975 to 1979 5
- 1980 to 1984 1
- 1985 to 1989 0
- 1990 to 1994 2
- 1995 to 1998 1