State Visit of Queen Elizabeth II to Portugal in 1957; the Queen is cheered by the Lisbonites on the balcony of Lisbon City Hall.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://hemerotecadigital.cm-lisboa.pt/OBRAS/RevMunicipal/N72/N72_item1/P44.html">Hemeroteca Digital - "Revista Municipal", Ano XVIII, n.º 72, 1.º trimestre de 1957</a>