ECU Libraries Catalog
- 1953 to 1954 1
- 1955 to 1959 0
- 1960 to 1964 5
- 1965 to 1969 15
- 1970 to 1974 114
- 1975 to 1979 235
- 1980 to 1984 148
- 1985 to 1989 95
- 1990 to 1994 242
- 1995 to 1999 310
- 2000 to 2004 229
- 2005 to 2009 183
- 2010 to 2014 127
- 2015 to 2019 78
- 2020 to 2024 47
- 2025 to 2025 1