ECU Libraries Catalog
- 1953 to 1954 2
- 1955 to 1959 6
- 1960 to 1964 22
- 1965 to 1969 15
- 1970 to 1974 56
- 1975 to 1979 25
- 1980 to 1984 25
- 1985 to 1989 35
- 1990 to 1994 42
- 1995 to 1999 66
- 2000 to 2004 117
- 2005 to 2009 176
- 2010 to 2014 61
- 2015 to 2019 9
- 2020 to 2024 6