Era
20th century
3,287
19th century
2,644
1900-1999
1,017
1800-1899
834
18th century
830
21st century
745
20e siècle
597
19e siècle
582
Early works to 1800
431
1945-
279
17th century
270
2000-2099
264
16th century
242
1700-1799
231
1835-1910
222
18e siècle
188
1947-
183
1749-1832
172
1971-
162
1952-
160
1951-
156
1949-
148
1957-
142
1950-
133
1946-
131
1948-
131
1757-1834
129
1783-1865
129
1954-
127
1970-
121
Civil War, 1861-1865
118
1956-
116
1960-
114
1850-1894
110
1944-
108
Colonial period, ca. 1600-1775
107
1958-
106
1964-
106
1967-
106
1728-1779
104
1920-2005
103
1963-
103
1953-
102
21e siècle
102
1943-
100
1254-1323?
98
1900 - 1999
97
1942-
97
1959-
97
1969-
96
more ...