ECU Libraries Catalog
- 1954 to 1954 1
- 1955 to 1959 1
- 1960 to 1964 3
- 1965 to 1969 2
- 1970 to 1974 1
- 1975 to 1979 4
- 1980 to 1984 5
- 1985 to 1989 20
- 1990 to 1994 103
- 1995 to 1999 90
- 2000 to 2004 122
- 2005 to 2009 168
- 2010 to 2014 100
- 2015 to 2019 120
- 2020 to 2023 64