Era
19th century
297
Early works to 1800
223
18th century
165
1707-1778
118
1800-1899
88
20th century
82
16th century
73
1732-1808
68
1700-1799
64
1810-1888
56
17th century
52
1699-1777
46
1759-1840
34
1817-1911
31
1749-1832
30
1526-1609
29
1887-1943
29
1809-1882
25
1900-1999
25
1778-1841
24
1739-1823
23
1830-1890
22
1694-1768
20
1782-1863
20
1862-1957
20
1743-1820
19
1885-1958
19
Quaternary
19
1857-1939
18
To 1500
18
1637?-1691
17
1700 - 1799
17
1822-1895
17
1500-1599
16
1501-1566
16
1746-1802
16
1773-1858
16
1799-1834
16
1656-1708
15
1700-1899
15
1843-1920
15
1561-1629
14
1743-1828
14
1748-1836
14
1783-1840
14
1796-1866
14
1800 - 1899
14
1845-1920
14
Holocene
14
1522-1605?
13
more ...