ECU Libraries Catalog
- 1879 to 1879 1
- 1880 to 1889 0
- 1890 to 1899 2
- 1900 to 1909 2
- 1910 to 1919 8
- 1920 to 1929 25
- 1930 to 1939 47
- 1940 to 1949 65
- 1950 to 1959 95
- 1960 to 1969 137
- 1970 to 1979 422
- 1980 to 1989 1,078
- 1990 to 1999 990
- 2000 to 2009 647
- 2010 to 2019 262
- 2020 to 2021 15