ECU Libraries Catalog
- 1939 to 1939 1
- 1940 to 1944 4
- 1945 to 1949 0
- 1950 to 1954 0
- 1955 to 1959 0
- 1960 to 1964 10
- 1965 to 1969 13
- 1970 to 1974 23
- 1975 to 1979 16
- 1980 to 1984 22
- 1985 to 1989 34
- 1990 to 1994 29
- 1995 to 1999 57
- 2000 to 2004 39
- 2005 to 2009 41