Description of Greece
Pausanias
Pausanias. Pausanias Description of Greece, Volumes 1-4. Jones, W.H.S. (William Henry Samuel), translator; Ormerod, Henry Arderne, translator. London, New York: W. Heinemann, G.P. Putnam's Sons, 1918-1935.
There also came to Gallus the Aetolians living at Pleuron, who wished to detach themselves from the Achaean confederacy. Gallus allowed them to send on their own an embassy to Rome, and the Romans allowed them to secede from the Achaean League. The senate also commissioned Gallus to separate from the Achaean confederacy as many states as he could.