• Porta Pia in: Rom
    • GND: 4684528-8  
    • <place xml:id="Porta_Pia_Rom">
        <placeName>Porta Pia</placeName>
        <idno type="GND" xml:base="http://d-nb.info/gnd/">4684528-8</idno>
        <linkGrp targFunc="active passive"/>
      </place>