ECU Libraries Catalog
- 1949 to 1949 2
- 1950 to 1954 7
- 1955 to 1959 8
- 1960 to 1964 18
- 1965 to 1969 27
- 1970 to 1974 40
- 1975 to 1979 47
- 1980 to 1984 19
- 1985 to 1989 35
- 1990 to 1994 28
- 1995 to 1999 45
- 2000 to 2004 31
- 2005 to 2009 27
- 2010 to 2014 29
- 2015 to 2019 20
- 2020 to 2021 10