Era
19th century
3,334
20th century
2,984
Early works to 1800
1,742
18th century
1,151
1800-1899
649
1900-1999
643
1945-
641
Colonial period, ca. 1600-1775
586
21st century
524
17th century
456
19e siècle
456
1951-
446
20e siècle
398
1783-1865
314
Civil War, 1861-1865
253
1947-
235
16th century
233
Revolution, 1775-1783
229
1949-
215
1971-
211
1981-
207
1835-1910
186
To 1848
172
1254-1323?
166
1700-1799
166
2000-2099
163
1865-1918
162
1770-1838
156
To 1803
150
1960-
149
1917-
146
18e siècle
144
1709-1784
142
1774-1809
141
1970-
138
1783-1848
134
1918-
134
1861-1865
128
1817-1860
125
1918-1945
121
To 1775
121
1952-
120
1946-
116
1813-1873
114
1950-
110
1749-1832
109
1975-
108
To 1763 (New France)
108
1564-1616
106
1850-1894
104
more ...