Era
18th century
12,876
Early works to 1800
5,162
20th century
4,008
19th century
2,341
1700-1799
1,786
1900-1999
1,152
Revolution, 1775-1783
688
21st century
682
17th century
670
1795
538
1800
525
1796
473
1971-1980
444
Civil War, 1861-1865
423
1790
413
1798
412
1961-1970
394
1797
389
1793
377
1799
357
1794
349
16th century
347
1876
343
2000-2099
326
1792
320
1732-1799
309
1800-1899
300
1900 - 1999
291
1787
287
1815
284
1814
273
1819
273
1818
270
1813
255
1791
254
1810
253
1817
246
1816
239
1789
238
1788
234
1775
227
1861
227
1812
221
1811
216
1775-1783
212
1807
212
1801-1850
208
1769
205
1786
192
1809
192
more ...