Italian <a href="https://en.wikipedia.org/wiki/Ansaldo_A.1_Balilla" class="extiw" title="en:Ansaldo A.1 Balilla">Ansaldo A.1 Balilla</a> <a href="https://en.wikipedia.org/wiki/Fighter_(aircraft)" class="extiw" title="en:Fighter (aircraft)">fighter</a>
uncredited
between 1917 and 1918 <div style="display: none;">date QS:P,+1917-00-00T00:00:00Z/8,P1319,+1917-00-00T00:00:00Z/9,P1326,+1918-00-00T00:00:00Z/9</div>
Scanned from Green, William, and Gordon Swanborough. <i>The Complete Book of Fighters: An Illustrated Encyclopedia of Every Fighter Aircraft Built and Flown</i>. New York: SMITHMARK Publishers, 1994. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-8317-3939-8" title="Special:BookSources/0-8317-3939-8">ISBN 0-8317-3939-8</a>.