Helena Lekapene: Revizyonlar arasındaki fark

*[http://fmg.ac/Projects/MedLands/BYZANTIUM.htm#HelenaLekapenedied961 Her listing along with her siblings in "Medieval lands" by Charles Cawley. The project "involves extracting and analysing detailed information from primary sources, including contemporary chronicles, cartularies, necrologies and testaments."] {{Webarşiv|url=https://web.archive.org/web/20170610052028/http://fmg.ac/Projects/MedLands/BYZANTIUM.htm#HelenaLekapenedied961 |datetarih=10 Haziran 2017 }}

*[http://www.guide2womenleaders.com/womeninpower/Womeninpower03.htm Her profile in "Worldwide Guide to Women in Leadership" among other women of the period 750-1000] {{Webarşiv|url=https://web.archive.org/web/20160303180301/http://www.guide2womenleaders.com/womeninpower/Womeninpower03.htm |datetarih=3 Mart 2016 }}