ECU Libraries Catalog
- 1946 to 1949 10
- 1950 to 1954 15
- 1955 to 1959 10
- 1960 to 1964 18
- 1965 to 1969 20
- 1970 to 1974 20
- 1975 to 1979 26
- 1980 to 1984 48
- 1985 to 1989 62
- 1990 to 1994 84
- 1995 to 1999 73
- 2000 to 2004 64
- 2005 to 2009 28
- 2010 to 2014 42
- 2015 to 2018 11