ECU Libraries Catalog
- 1882 to 1889 1
- 1890 to 1899 0
- 1900 to 1909 3
- 1910 to 1919 0
- 1920 to 1929 0
- 1930 to 1939 3
- 1940 to 1949 3
- 1950 to 1959 14
- 1960 to 1969 24
- 1970 to 1979 74
- 1980 to 1989 117
- 1990 to 1999 112
- 2000 to 2009 127
- 2010 to 2019 121
- 2020 to 2024 37