1. O-35-26-А Пос. Саку (Saku, Estonia) Maps Public content 1899. Modern area represented: Saku, Harju county, Estonia; Scale =1:50,000. Управление военных топографов.
2. O-35-26-А Саку (Saku, Estonia) Maps Public content 1899. Modern area represented: Saku, Harju county, Estonia; Scale =1:50,000. Генеральный штаб РККА.