ECU Libraries Catalog
- 1879 to 1879 1
- 1880 to 1889 3
- 1890 to 1899 11
- 1900 to 1909 286
- 1910 to 1919 81
- 1920 to 1929 241
- 1930 to 1939 283
- 1940 to 1949 551
- 1950 to 1959 1,114
- 1960 to 1969 1,525
- 1970 to 1979 1,182
- 1980 to 1989 1,359
- 1990 to 1999 1,913
- 2000 to 2009 1,522
- 2010 to 2019 1,461
- 2020 to 2020 53