Püüa, G. (2020). Buildings archaeological surveys at Maasi Castle on North-East Saaremaa. Archaeological Fieldwork in Estonia, 163−176. Read the article: here. Kadakas, Villu; Kreem, Juhan...
Lõugas, V.; Lõugas-Mägi, M. (1992-1993). Report on the 1992 Excavations of Pöide Stronghold. (EST: Pöide maalinna 1992. a. kaevamiste aruanne.) Read the report (EST): here....
