ECU Libraries Catalog
- 1897 to 1899 2
- 1900 to 1909 12
- 1910 to 1919 47
- 1920 to 1929 222
- 1930 to 1939 355
- 1940 to 1949 360
- 1950 to 1959 610
- 1960 to 1969 1,651
- 1970 to 1979 2,547
- 1980 to 1989 7,254
- 1990 to 1999 10,514
- 2000 to 2009 12,104
- 2010 to 2019 4,174
- 2020 to 2021 1,119