ECU Libraries Catalog
- 1947 to 1949 2
- 1950 to 1954 3
- 1955 to 1959 2
- 1960 to 1964 3
- 1965 to 1969 8
- 1970 to 1974 21
- 1975 to 1979 31
- 1980 to 1984 53
- 1985 to 1989 78
- 1990 to 1994 64
- 1995 to 1999 42
- 2000 to 2004 36
- 2005 to 2009 38
- 2010 to 2014 25
- 2015 to 2017 8