Nieuport 11 shooting down German observation baloon with Le Prieur rockets
Unknown author<span style="display: none;">Unknown author</span>
Le Miroir : publication hebdomadaire, 1916-06-04, Bibliothèque nationale de France, ark:/12148/bpt6k6522759m, <a rel="nofollow" class="external free" href="http://gallica.bnf.fr/ark:/12148/bpt6k6522759m/f4">http://gallica.bnf.fr/ark:/12148/bpt6k6522759m/f4</a>