Era
19th century
1,904
20th century
1,436
Early works to 1800
1,197
1900-1999
522
21st century
413
1939-1945
389
Civil War, 1861-1865
302
1800-1899
291
Revolution, 1775-1783
251
18th century
244
2000-2099
227
1819
154
1808
131
1815
131
Colonial period, ca. 1600-1775
130
1818
126
1813
122
1929
116
20e siècle
114
1861-1865
106
1811
104
1814
100
1914-1918
99
1816
96
1802
92
1817
91
1775-1783
90
1810
89
1888
89
1564-1616
87
1806
86
1870
83
1812
81
1809
79
1827
79
1807
78
1864
74
1871
74
1846-1917
73
1900 - 1999
73
1853
71
1933-1945
69
1872
66
1805
65
1898
65
1880
62
1875
61
1886
61
1899
61
1804
60
more ...