Pivoras, Saulius. “Lithuanian - Latvian Cooperation in Resistance to the National Oppression in the End of the 19th – Beginning of the 20m Cc”. Lietuvos istorijos studijos 6 (December 28, 1998): 57–61. Accessed October 26, 2025. https://test.zurnalai.vu.lt/lietuvos-istorijos-studijos/article/view/37281.