ECU Libraries Catalog
- 1954 to 1954 1
- 1955 to 1959 3
- 1960 to 1964 8
- 1965 to 1969 8
- 1970 to 1974 6
- 1975 to 1979 10
- 1980 to 1984 11
- 1985 to 1989 47
- 1990 to 1994 55
- 1995 to 1999 55
- 2000 to 2004 47
- 2005 to 2009 77
- 2010 to 2014 107
- 2015 to 2019 86
- 2020 to 2024 56