Era
20th century
20
1900-1999
9
19th century
5
1910-2015
3
1835-1919
2
1873-1933
2
17th century
1
1800-1999
1
1835-1910
1
1851-1931
1
1861-1955
1
1865-1918
1
1867-1910
1
1867-1970
1
1891-1979
1
18th century
1
1908-1960
1
1910-1946
1
1910-1970
1
1918-1932
1
1918-1945
1
1924-
1
1933-1945
1
1946-1970
1
1952-
1
Civil War, 1861-1865
1
Juvenile literature
1