For, indeed, the Captain was now playing not merely a double, but a triple and perhaps a quadruple game.
"The Blue Pavilions"
Sir Arthur Thomas Quiller-Couch
I also wish to acknowledge the information and suggestions I have derived from Sydney Low's admirable book, "Italy in the War"; from R. W. Seton-Watson's "The Balkans, Italy, and the Adriatic"; from V. Gayda's "Modern Austria"; from Dr. E. J. Dillon's "From the Triple to the quadruple Alliance"; from Pietro Fedele's "Why Italy Is at War," and from E. D. Ushaw's "Railways at the Front."
"Italy at War and the Allies in the West"
E. Alexander Powell
The constable, in addition, carried a contraption with a quadruple tube for launching tiny rockets no thicker than Kinton's thumb.
"Exile"
Horace Brown Fyfe