ECU Libraries Catalog
- 1954 to 1954 3
- 1955 to 1959 11
- 1960 to 1964 14
- 1965 to 1969 3
- 1970 to 1974 8
- 1975 to 1979 22
- 1980 to 1984 15
- 1985 to 1989 63
- 1990 to 1994 160
- 1995 to 1999 144
- 2000 to 2004 117
- 2005 to 2009 172
- 2010 to 2014 39
- 2015 to 2019 9
- 2020 to 2022 1