ECU Libraries Catalog
- 1948 to 1949 1
- 1950 to 1954 3
- 1955 to 1959 6
- 1960 to 1964 2
- 1965 to 1969 18
- 1970 to 1974 19
- 1975 to 1979 21
- 1980 to 1984 19
- 1985 to 1989 19
- 1990 to 1994 20
- 1995 to 1999 18
- 2000 to 2004 17
- 2005 to 2009 16
- 2010 to 2014 12
- 2015 to 2019 0
- 2020 to 2020 1