found: Fahlbusch, F.B. Städte und Königtum im frühen 15. Jahrhundert, 1983:t.p. (Sigmunds von Luxemburg) p. 1, etc. (Sigmund)
found: Brock. Enzy., 1973(Siegmund, auch Sigismund, Römisch-deutscher Kaiser (1410-37); b. 2/15/1368; d. 12/9/1437)
found: Ency. Brit., 15th ed.(Sigismund, Holy Roman emperor from 1433, king of Hungary from 1387, German king from 1411, king of Bohemia from 1419, and Lombard king from 1431; last emperor of the House of Luxembourg)
found: Collier's, 1972(Sigismund, King of Hungary and Bohemia and the last Holy Roman Emperor of the House of Luxembourg)
found: Ency. Amer., 1974(Sigismund, Holy Roman Emperor)
found: Academic Amer. ency., 1981(Sigismund, King of Germany and Holy Roman Emperor)
found: Mályusz, E. Zsigmond király uralma Magyarországon, 1387-1437, 1984:t.p. (Zsigmond király)
found: Zikmund Lucemburský, 1996.
found: Žigmund Luxemburský, 1996.
found: Heidemann, F. Die Luxemburger in der Mark, 2014:t.p. (Sigismund von Luxemburg)
found: Holy Roman Empire. Die güldin bulle. vnd künigclich reformacion, 1485:leaf d2v (caption: Keiser Sigmund güldin bulle)
found: Wikipedia, January 9, 2019(Sigismund, Holy Roman Emperor; "Sigismund of Luxembourg (15 February 1368 in Nuremberg-9 December 1437 in Znaim, Moravia) was Prince-elector of Brandenburg from 1378 until 1388 and from 1411 until 1415, King of Hungary and Croatia from 1387, King of Germany from 1411, King of Bohemia from 1419, King of Italy from 1431, and Holy Roman Emperor from 1433 until 1437, and the last male member of the House of Luxembourg")
