ECU Libraries Catalog
- 1894 to 1899 7
- 1900 to 1909 11
- 1910 to 1919 145
- 1920 to 1929 88
- 1930 to 1939 65
- 1940 to 1949 32
- 1950 to 1959 24
- 1960 to 1969 29
- 1970 to 1979 92
- 1980 to 1989 206
- 1990 to 1999 572
- 2000 to 2009 1,646
- 2010 to 2019 1,240
- 2020 to 2023 45