ECU Libraries Catalog
- 1953 to 1954 0
- 1955 to 1959 0
- 1960 to 1964 3
- 1965 to 1969 3
- 1970 to 1974 5
- 1975 to 1979 9
- 1980 to 1984 3
- 1985 to 1989 7
- 1990 to 1994 33
- 1995 to 1999 353
- 2000 to 2004 672
- 2005 to 2009 759
- 2010 to 2014 722
- 2015 to 2019 485
- 2020 to 2020 95