Čelkis, Tomas, and Darius Antanavičius. “Document Publication. Survey of 1545 Livonia and the Great Duchy of Lithuania Borderline Audit (Livonian Officers Report)”. Lietuvos Istorijos Studijos, vol. 27, Aug. 2024, pp. 164-78, https://doi.org/10.15388/LIS.2011.36607.