6029719 Lieutenants Frederick Sowrey and William Leefe Robinson, British fighter pilots of the First World War, who each shot down a German Zeppelin airship during raids on southern England in September 1916 (b/w photo) by English Photographer, (20th century); Private Collection; (add.info.: Lieutenants Frederick Sowrey and William Leefe Robinson, British fighter pilots of the First World War, who each shot down a German Zeppelin airship during raids on southern England in September 1916.); Look and Learn / Elgar Collection.