Maria Kownacka
... that Polish children's author Maria Kownacka wrote for an underground children's magazine during the Warsaw Uprising?
... that Polish children's author <b id="mwBHY"><a href="./Maria_Kownacka" id="mwBHc" rel="mw:WikiLink" title="Maria Kownacka">Maria Kownacka</a></b> wrote for an underground children's magazine during the <a href="./Warsaw_Uprising" id="mwBHg" rel="mw:WikiLink" title="Warsaw Uprising">Warsaw Uprising</a>?