30 works carry all of these threads.
ca. 550–500 BCE
early 19th century
8th century
1850–70
late 18th century
19th century
4th–7th century
9th century
3rd–4th century CE
7th–10th century
ca. 9th century BCE
ca. 1500
18th century
early 6th century BCE
late 12th–early 13th century
ca. 1500–1525
