64 works carry all of these threads.
before 16th century
probably 8th–12th century
12th–13th century
ca. 1150–ca. 1250
13th century and later
ca. 1180–1210
13th century
11th–late 15th century
late 13th–early 14th century
10th–early 16th century
anonymous · c. 1290
11th–12th century
