ECU Libraries Catalog
- 1949 to 1949 1
- 1950 to 1954 11
- 1955 to 1959 3
- 1960 to 1964 8
- 1965 to 1969 9
- 1970 to 1974 17
- 1975 to 1979 27
- 1980 to 1984 40
- 1985 to 1989 64
- 1990 to 1994 35
- 1995 to 1999 24
- 2000 to 2004 24
- 2005 to 2009 15
- 2010 to 2014 3
- 2015 to 2019 1
- 2020 to 2022 2