Era
20th century
2,492
19th century
2,042
1991-2000
1,902
Early works to 1800
1,076
2001-2010
1,048
18th century
1,032
1900-1999
875
1981-1990
831
17th century
585
21st century
544
1951-1960
505
1971-1980
489
1961-1970
480
1800-1899
470
1941-1950
295
16th century
291
1900 - 1999
258
1931-1940
251
To 1500
248
1700-1799
245
2001 - 2010
239
1800-1999
208
20e siècle
191
Civil War, 1861-1865
162
2000-2099
158
1822-1903
152
1991 - 2000
149
1800 - 1899
141
Geschichte
126
20e siècle
120
1921-1930
104
1600-1699
103
1945-
101
1900-2099
100
1613-1700
96
500-1400
94
19e siècle
93
1864?-1943
86
1981 - 1990
85
19e siècle
82
1700 - 1799
79
1700-1899
76
1909-1994
75
1564-1616
74
1717-1797
74
1500-1599
73
15th century
71
active 6th century
68
To 1931
65
1939-1945
64
more ...