Tidsperiode
20th century
13,409
19th century
8,490
1900-1999
3,934
1775-1865
1,855
Revolution, 1775-1783
1,813
Colonial period, ca. 1600-1775
1,677
1900 - 1999
1,672
21st century
1,580
Civil War, 1861-1865
1,368
1800-1899
1,189
18th century
1,017
To 1775
936
1775-1783
934
1600-1775
680
20e siècle
649
2000-2099
632
To 1898
625
1951-
527
1898-1951
510
1800 - 1899
504
1861-1865
500
1775 - 1783
450
1861 - 1865
426
1865-1950
424
17th century
329
1600 - 1775
301
Early works to 1800
292
1800-1999
284
2001
277
French and Indian War, 1754-1763
262
1700-1799
259
1850
253
1775 - 1865
249
20e siècle
221
1804
216
War of 1812
213
1900-2099
211
1809-1865
191
1756-1836
188
Since 1951
183
19e siècle
178
1939-1945
174
1865-1898
163
1929
163
21e siècle
163
1732-1799
161
1739-1812
155
1800 - 1999
155
1564-1616
153
1769-1828
153
mere ...