ECU Libraries Catalog
- 1952 to 1954 1
- 1955 to 1959 5
- 1960 to 1964 4
- 1965 to 1969 1
- 1970 to 1974 2
- 1975 to 1979 5
- 1980 to 1984 69
- 1985 to 1989 148
- 1990 to 1994 80
- 1995 to 1999 57
- 2000 to 2004 113
- 2005 to 2009 70
- 2010 to 2014 60
- 2015 to 2019 40
- 2020 to 2024 17