ECU Libraries Catalog
- 1882 to 1889 2
- 1890 to 1899 0
- 1900 to 1909 4
- 1910 to 1919 9
- 1920 to 1929 11
- 1930 to 1939 13
- 1940 to 1949 10
- 1950 to 1959 20
- 1960 to 1969 73
- 1970 to 1979 137
- 1980 to 1989 169
- 1990 to 1999 413
- 2000 to 2009 207
- 2010 to 2019 58
- 2020 to 2023 9