UPDATE 9:25 AM EST: Used one of those archive websites to salvage the links just in case Google can't restore them. That knocks the task down from "Herculean" to a "slog."
UPDATE 9/30 12:00 PM EST: I received this message:
Restoring the gadgets may take up several days. You can add and fill the gadgets yourself, or wait for Blogger engineering to restore the repaired gadgets.With no immediate resolution to this problem, I suppose I'll have to restore them myself when I find the time.
UPDATE 10/21 8:00 AM EST: I have finished restoring all of our blogrolls and book review link lists.