ECU Libraries Catalog
- 1946 to 1949 11
- 1950 to 1954 16
- 1955 to 1959 13
- 1960 to 1964 25
- 1965 to 1969 30
- 1970 to 1974 49
- 1975 to 1979 32
- 1980 to 1984 66
- 1985 to 1989 77
- 1990 to 1994 49
- 1995 to 1999 23
- 2000 to 2004 30
- 2005 to 2009 30
- 2010 to 2014 8
- 2015 to 2017 2