ECU Libraries Catalog
- 1957 to 1959 1
- 1960 to 1964 6
- 1965 to 1969 9
- 1970 to 1974 12
- 1975 to 1979 25
- 1980 to 1984 64
- 1985 to 1989 232
- 1990 to 1994 323
- 1995 to 1999 304
- 2000 to 2004 361
- 2005 to 2009 590
- 2010 to 2014 462
- 2015 to 2019 315
- 2020 to 2023 316