Saage, R.; Peets, J.; Kulu, P.; Peetsalu, P.; Viljus, M. (2017). Metallographic investigation of iron blooms and bars from the smithy site of Käku, Estonia. Fennoscandia Archaeologica, XXXIV,...
Metsar, L. (1948). Report on the excavation of a stone grave located on the north corner of the limestone quarry of Kilgiaugu in Käku village at Kaarma parish. (EST: Aruanne Kaarma valla Käku küla...
Käku kalmed. The burial site of Käku with its stone circle graves is located near the village of Käku in the parish of Kaarma in the central part of Saaremaa, 2.5 km NW from the Kaarma hillfort...