Cyfnod
20th century
184,461
21st century
71,149
1900-1999
66,095
19th century
45,171
1900 - 1999
24,369
2000-2099
24,069
18th century
17,103
17th century
16,338
20e siècle
12,636
1900-2099
12,000
1800-1899
10,298
16th century
8,812
Early works to 1800
8,599
1800-1999
8,521
21e siècle
7,225
Ming-Qing dynasties, 1368-1912
6,163
Edo period, 1600-1868
5,418
Medieval, 500-1500
4,652
2000 - 2099
4,397
1881-1973
3,844
1600-1699
3,755
1700-1799
3,616
1945-
3,595
1800 - 1899
3,469
15th century
3,388
1941-
3,226
Song-Yuan dynasties, 960-1368
3,186
Modern period, 1500-
3,177
19e siècle
3,129
1800 - 1999
3,113
1900 - 2099
3,049
1938-
2,785
20e siècle
2,781
1954-
2,752
1935-
2,728
1955-
2,706
1368-1912
2,698
1452-1519
2,672
1943-
2,636
1932-
2,549
1952-
2,543
1957-
2,542
1940-
2,540
1936-
2,538
1946-
2,495
1944-
2,486
1500-1599
2,483
1948-
2,437
1951-
2,410
1949-
2,361
rhagor ...