ECU Libraries Catalog
- 1948 to 1949 3
- 1950 to 1954 2
- 1955 to 1959 2
- 1960 to 1964 8
- 1965 to 1969 4
- 1970 to 1974 3
- 1975 to 1979 4
- 1980 to 1984 9
- 1985 to 1989 13
- 1990 to 1994 7
- 1995 to 1999 4
- 2000 to 2004 10
- 2005 to 2009 2
- 2010 to 2014 2
- 2015 to 2019 3
- 2020 to 2021 1