This article's lead sectionmay be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article.(January 2017)
Ulla Plener (born 12 February 1933) is a German historian.[1]
^"Historikerin Ulla Plener wird 80 Jahre". Rosa-Luxemburg-Stiftung Gesellschaftsanalyse und politische Bildung e. V., Berlin. 12 February 2013. Retrieved 8 January 2017.