Henriku Liivimaa kroonika = Heinrici chronicon LivoniaeHenrik1982 https://www.ester.ee/record=b1159353*est

Landscape change in central Latvia since the Iron Age : multi-proxy analysis of the vegetation impact of conflict, colonization and economic expansion during the last 2,000 yearsStivrinš, Normunds; Brown, Alex; Reitalu, Triin; Veski, Siim; Heinsalu, Atko; Banerjea, Rowena Yvonne; Elmi, KatiVegetation History and Archaeobotany2015 / p. 377 - 391 https://doi.org/10.1007/s00334-014-0502-y Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Palaeoenvironmental evidence for the impact of the crusades on the local and regional environment of medieval (13th-16th century) northern Latvia, eastern BalticStivrinš, Normunds; Brown, Alex; Veski, Siim; Ratniece, Vita; Heinsalu, Atko; Austin, Jennifer; Liiv, Merlin; Cerina, AijaThe Holocene2016 / p. 61-69 : ill https://doi.org/10.1177/0959683615596821 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS