George Grote,
History of Greece, Volume 10 (of 12…
“ Periœki and Helots [p. 220] in Laconia, inferior citizens at Sparta. On the appearance of the invading enemy, indeed, a certain feeling of common interest arose, since even the disaffected might reasonably imagine that a plundering soldiery, if not repelled at the point of the sword, would make their condition worse instead of better. And accordingly, when the ephors made public proclamation, that any Helot who would take heavy armor and serve in the ranks as an hoplite, should be manumitted,—not less than six thousand Helots gave in their names to serve. ”
