Wielkiego Księstwa Litewskieg was published in 1983. According to Maciej Siekierski, the "continuing timeliness and scholarly value of these works are a tribute to the great historian". According to Stanisław Alexandrowicz, Łowmiański had a universal authority already during his lifetime, being considered as an expert on historical sources, the history of Lithuania, Slavic and Baltic people in the Middle Ages, economic and social relations of medieval Poland, and statehood formation in Central and Eastern Europe. During the mourning ceremony by the academic community, reputable historian Gerard Labuda assessed his role in the Polish historiography as equal to Jan Długosz and Joachim Lelewel. Personal life His wife was Maria Łowmiańska (1899-1961), Polish philologist with historical interests, also graduate from USB. Awards He was awarded the Officer's Cross of the Order of Polonia Restituta (1951), the Order of the Banner of Work, 2nd class (1954), and on the occasion of the 20th anniversary of the People's Republic of Poland, he received the first-degree state award. In 1974, he was awarded the Order of the Builders of People's Poland. Important works "Wschody" miast litewskich w 16 wieku (1923–1924) Studia nad początkami społeczeństwa i państwa litewskiego (2 vol., 1931–32) Uwagi w sprawie podłoża społec-znego i gospodarczego Unii Jagiellońskiej (1934) Prusy pogańskie (1935) [English edition: The Ancient Prussians (1936)] 'Wcielenie Litwy do Polski w 1386 r. (1937) Podstawy gospodarczego formowania się państw słowiańskich (1953) Zagadnienia roli Normanów w genezie państw słowiańskich (1957) Geneza państwa ruskiego jako wynik procesu wewnętrznego (1962) Początki Polski (6 vol., 1963–1985) Studia nad dziejami Wielkiego Księstwa Litewskiego (1983) Studia nad dziejami Słowiańszczyzny, Polski i Rusi w wiekach średnich (1986) Religia Słowian i jej upadek (w. VI-XII) (1979) Polityka Jagiellonów (1999) References Gerard Labuda, "Wspomnienie pośmiertne. Dzieło życiowe Henryka Łowmiańskiego," Roczniki Historyczne 52 (1986): 245-248. 1898 births 1984 deaths People from Ukmergė District Municipality People from Vilkomirsky Uyezd Historians of Lithuania 20th-century Polish historians Polish male non-fiction writers Vilnius University alumni Academic staff of Vilnius University Members of the Polish Academy of Learning Researchers of Slavic religion Recipients of the State Award Badge (Poland)