Cyfnod
-1334
1
1036-1086
1
1066-1485
1
1268-1314
2
12th century
1
1375?-1446
2
1491-1547
1
1494-1560
1
1552-1634
1
1555-1606
2
1560-1631
1
1584-1670
1
1596-1669
1
1614-1683
1
1625-1698
1
1646-1728
1
1675-1758
1
1698-1771
1
16th century
1
1711-1771
1
1757
1
1760-1818
1
1760-1820
1
1771-1836
1
1779-1861
1
1794-1838
1
17th century
3
1807-1877
1
1810-1892
1
1819-1906
1
1841-1935
1
1850-1906
1
1852-1913
1
18th century
5
1905-1984
1
1907-1996
1
1909-1989
1
1911-
1
1918-1982
1
1926-
1
1936-
1
1943-
1
19th century
5
20th century
1
30-600
1
Ealry works to 1800
1
Early church, ca. 30-600
2
Early works to 1700
1
Middle Ages, 600-1500
2
To 1500
8
rhagor ...