ECU Libraries Catalog
- 1946 to 1949 2
- 1950 to 1954 2
- 1955 to 1959 1
- 1960 to 1964 1
- 1965 to 1969 1
- 1970 to 1974 2
- 1975 to 1979 8
- 1980 to 1984 11
- 1985 to 1989 21
- 1990 to 1994 22
- 1995 to 1999 16
- 2000 to 2004 39
- 2005 to 2009 117
- 2010 to 2014 13
- 2015 to 2015 1