Johannes Bilberg
... that Swedish theologian Johannes Bilberg published a work on the midnight sun?
... that Swedish theologian <b id="mwAcM"><a href="./Johannes_Bilberg" id="mwAcQ" rel="mw:WikiLink" title="Johannes Bilberg">Johannes Bilberg</a></b> published a work on the <a href="./Midnight_sun" id="mwAcU" rel="mw:WikiLink" title="Midnight sun">midnight sun</a>?