ECU Libraries Catalog
- 1875 to 1879 1
- 1880 to 1889 1
- 1890 to 1899 0
- 1900 to 1909 2
- 1910 to 1919 1
- 1920 to 1929 3
- 1930 to 1939 5
- 1940 to 1949 4
- 1950 to 1959 18
- 1960 to 1969 43
- 1970 to 1979 148
- 1980 to 1989 309
- 1990 to 1999 235
- 2000 to 2009 173
- 2010 to 2019 29
- 2020 to 2023 5