Tvauri, A. (2005). Latest Iron Age Pottery In Estonia (from the 11th century to the middle of the 13th century). Muinasaja teadus, 16. Tartu-Tallinn, 72-78. Read the article (ENG p. 161-163): here.
Valjala hillfort
Pot rim, hand-made ceramic. Similar pots have been found e g in Varbola, Pöide, or Soontagana hill-forts.
Tvauri, A. (2005). Latest Iron Age Pottery In Estonia (from the 11th century to the middle of the 13th century). Muinasaja teadus, 16. Tartu-Tallinn, 60-61, drawing 38: 1. Read the article (ENG p. 161-163): here.