ECU Libraries Catalog
- 1898 to 1899 5
- 1900 to 1909 135
- 1910 to 1919 258
- 1920 to 1929 198
- 1930 to 1939 236
- 1940 to 1949 779
- 1950 to 1959 1,307
- 1960 to 1969 694
- 1970 to 1979 334
- 1980 to 1989 729
- 1990 to 1999 1,904
- 2000 to 2009 16,131
- 2010 to 2019 23,399