ECU Libraries Catalog
- 1948 to 1949 2
- 1950 to 1954 5
- 1955 to 1959 15
- 1960 to 1964 40
- 1965 to 1969 89
- 1970 to 1974 100
- 1975 to 1979 52
- 1980 to 1984 62
- 1985 to 1989 84
- 1990 to 1994 93
- 1995 to 1999 141
- 2000 to 2004 93
- 2005 to 2009 73
- 2010 to 2014 27
- 2015 to 2017 9