Joaquim M. Folch i Torres, general director of the Barcelona art museums, Website of the Museu Nacional d’Art de Catalunya of Barcelona,  www.museunacional.cat, (1922)
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Unknown author<span style="display: none;">Unknown author</span></div>
1922<div style="display: none;">date QS:P571,+1922-00-00T00:00:00Z/9</div>
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