ECU Libraries Catalog
- 1895 to 1899 1
- 1900 to 1909 1
- 1910 to 1919 2
- 1920 to 1929 9
- 1930 to 1939 27
- 1940 to 1949 42
- 1950 to 1959 114
- 1960 to 1969 467
- 1970 to 1979 1,105
- 1980 to 1989 1,377
- 1990 to 1999 1,538
- 2000 to 2009 1,651
- 2010 to 2019 725
- 2020 to 2024 73