Note 228 — Chapter XII · IMPERIAL TITLES AND PRETENSIONS.
Reading edition
Cf. Gewoldus, De Septemviratu imperii Romani. One would expect some ingenious allegorizer to have discovered that the crown of Burgundy must be, and therefore is, of copper or bronze, making the series complete, like the four ages of men in Hesiod. But I have not been able to find any such.