Era
20th century
13
1945-
11
1960-
2
1970-
2
1971-
2
1975-
2
1981-
2
Colonial period, ca. 1600-1775
2
1783-1865
1
1830-
1
1865-1898
1
1865-1918
1
1918-1945
1
1945-1989
1
1960-1980
1
1961-1963
1
1961-1969
1
1963-1969
1
1989
1
1989-
1
1993-
1
19th century
1
2001-
1
Civil War, 1861-1865
1
Revolution, 1775-1783
1
To 1865
1
Women authors
1