^Mayoral races in Ukraine: City-by-city runoff preview (页面存档备份,存于互联网档案馆) UkraineAlert by Brian Mefford, Atlantic Council (18 November 2020)
^National parties lose out to local candidates in Ukraine’s 2020 municipal elections (页面存档备份,存于互联网档案馆) UkraineAlert by Brian Mefford, Atlantic Council (12 December 2020)
^Battles against Russian occupiers ongoing near Shchastia, Sumy, Hostomel Airport. www.ukrinform.net. [2023-01-14](英语).
^Russian troops no longer hold any settlements in Ukraine's Sumy region, says governor. nationalpost. [2023-01-14](加拿大英语).
外部連結
(乌克兰文) Independent regional Web-portal (页面存档备份,存于互联网档案馆) - news, features, entertainment & tourism info
(乌克兰文)
(英文)
The Sumian Historical Web-Society(页面存档备份,存于互联网档案馆)
(乌克兰文)
Portal Sumy - news, weather, calendar, map, ad (页面存档备份,存于互联网档案馆)