ECU Libraries Catalog
- 1879 to 1879 1
- 1880 to 1889 1
- 1890 to 1899 1
- 1900 to 1909 10
- 1910 to 1919 0
- 1920 to 1929 6
- 1930 to 1939 10
- 1940 to 1949 11
- 1950 to 1959 28
- 1960 to 1969 99
- 1970 to 1979 210
- 1980 to 1989 508
- 1990 to 1999 451
- 2000 to 2009 299
- 2010 to 2019 89