Amalfi Cathedral
... that the first use of bronze doors on an Italian building is attributed to the Amalfi Cathedral, and they came from Constantinople?
... that the first use of <a href="./Bronze" id="mwGXU" rel="mw:WikiLink" title="Bronze">bronze</a> doors on an Italian building is attributed to the <b id="mwGXY"><a href="./Amalfi_Cathedral" id="mwGXc" rel="mw:WikiLink" title="Amalfi Cathedral">Amalfi Cathedral</a></b>, and they came from <a href="./Constantinople" id="mwGXg" rel="mw:WikiLink" title="Constantinople">Constantinople</a>?