Thompson, Margaret. The Agrinion Hoard. ANSNNM 159 (1968).
This monograph is a standard reference for the coins of the Achaean League. It also highlights coins of Sicyon, Argos, Chalcis, Athens, Megalopolis and other cities contained in the hoard. 230 pages, 56 plates.
Available online: http://numismatics.org/digitallibrary/ark:/53695/nnan73727