ECU Libraries Catalog
- 1891 to 1899 4
- 1900 to 1909 62
- 1910 to 1919 198
- 1920 to 1929 161
- 1930 to 1939 80
- 1940 to 1949 3
- 1950 to 1959 31
- 1960 to 1969 63
- 1970 to 1979 217
- 1980 to 1989 164
- 1990 to 1999 622
- 2000 to 2009 438
- 2010 to 2019 480
- 2020 to 2021 31