ECU Libraries Catalog
- 1953 to 1954 9
- 1955 to 1959 42
- 1960 to 1964 47
- 1965 to 1969 5
- 1970 to 1974 11
- 1975 to 1979 15
- 1980 to 1984 16
- 1985 to 1989 18
- 1990 to 1994 34
- 1995 to 1999 41
- 2000 to 2004 46
- 2005 to 2009 46
- 2010 to 2014 17
- 2015 to 2019 18
- 2020 to 2024 11