v.1. Engineering for dams in Italy -- v.2. Dams belonging to the Edison group, Edison Company -- v.3. Dams belonging to the Edison group, associated companies -- v.4. Dams belonging to the "Sade" and "Sip" groups -- v.5. Dams belonging to the "La Centrale" and "Meridionale" groups and to the "Unes," "Sarda" and "Sicilia" companies -- v.6. Dams belonging to the "Falck," "Terni" and "Montecatini" groups, to various electric utility companies and to the "Acquedotto de Ferrari Galliera" -- v.7. Dams belonging to municipal electric administrations, to power producing industrial establishments and to various administrations.