ECU Libraries Catalog
- 1899 to 1899 1
- 1900 to 1909 1
- 1910 to 1919 5
- 1920 to 1929 32
- 1930 to 1939 62
- 1940 to 1949 45
- 1950 to 1959 76
- 1960 to 1969 196
- 1970 to 1979 223
- 1980 to 1989 613
- 1990 to 1999 1,170
- 2000 to 2009 1,616
- 2010 to 2019 556
- 2020 to 2020 26