ECU Libraries Catalog
- 1928 to 1929 1
- 1930 to 1934 2
- 1935 to 1939 0
- 1940 to 1944 0
- 1945 to 1949 0
- 1950 to 1954 3
- 1955 to 1959 4
- 1960 to 1964 11
- 1965 to 1969 11
- 1970 to 1974 17
- 1975 to 1979 19
- 1980 to 1984 9
- 1985 to 1989 5
- 1990 to 1994 2
- 1995 to 1999 1
- 2000 to 2000 1