The portal now also includes about 1,500 contributions from the "Biographisches Lexikon zur Geschichte Südosteuropas" (Biographical Dictionary on the History of South-East Europe, BioLexSOE online), which is supervised by the Leibniz-Institut für Ost- und Südosteuropaforschung (Leibniz Institute for East and Southeast European Studies, IOS) at Regensburg.
Biographical Portal:
http://www.biographie-portal.eu/en