ECU Libraries Catalog
- 1949 to 1949 1
- 1950 to 1954 6
- 1955 to 1959 18
- 1960 to 1964 16
- 1965 to 1969 11
- 1970 to 1974 16
- 1975 to 1979 21
- 1980 to 1984 19
- 1985 to 1989 49
- 1990 to 1994 126
- 1995 to 1999 155
- 2000 to 2004 183
- 2005 to 2009 147
- 2010 to 2014 79
- 2015 to 2016 10