<i>Arc de Triomphe</i>, etching by William Walcot.
William Walcot (1874-1943)
<i><a rel="nofollow" class="external text" href="https://archive.org/details/architecturalwat00walcuoft">Architectural Water-Colours &amp; Etchings of William Walcot</a></i>, Londres, H.C. Dickins Publisher, 1919