found: Work cat.: Peyrot, A. Le Valli di Susa e del Sangone, 1986.
found: LC database, March 23, 1988(Susa Valley, Italy)
found: Lippincott:under Dora Riparia River (In upper reaches forms Val di Susa)
found: U.S. Office of Geography. Italy and associated areas, 1956(Susa, Valle di, VAL, 45°09ʹN, 7°10ʹE)
found: Enciclopedia italiana di scienze, lettere ed arti, 1929-39(Susa, Valle di, Piedmont valley, prov. of Turin)
found: Grande enciclopedia Vallardi, 1968-71(Susa, Valle di)
found: GeoNames [algorithmically matched](valley; 45°09ʹ00ʺN 007°10ʹ00ʺE)
found: Non solo un treno..., c2012:t.p. (Val Susa)
notfound: Web. geog.;The Times, London. The Times atlas of the world, 1955-59