ECU Libraries Catalog
- 1884 to 1889 2
- 1890 to 1899 1
- 1900 to 1909 6
- 1910 to 1919 8
- 1920 to 1929 7
- 1930 to 1939 12
- 1940 to 1949 12
- 1950 to 1959 47
- 1960 to 1969 150
- 1970 to 1979 893
- 1980 to 1989 1,240
- 1990 to 1999 755
- 2000 to 2009 324
- 2010 to 2019 41
- 2020 to 2021 2