found: Work cat.: Deutscher Alpenverein (1950- ). Alpenvereinskarte. Verwallgruppe Mittleres Blatt, 1990.
found: GEOnet names server, Oct. 16, 2018(Fervall Gruppe; variants: Ferwallgruppe; Verwal Gruppe; mountains, Austria, 47°02ʹ00ʺN, 010°10ʹ00ʺE (47.033333°, 10.166667°))
found: Mindat.org website, Oct. 11, 2018(Verwall Alps (Verwall Group), Montafon, Vorarlberg, Austria, 47° North, 9° East (est.); name in local language: Verwallgruppe)
found: tyrol.tl website, Oct. 16, 2018(Verwall Alps; mountain range; originally called Ferwall; extend in equal parts in the states of Tyrol and Vorarlberg and are a subgroup of the Austrian Central Alps; border on the Rhaeticon mountains in the west, the Lechquell mountains in the north west, the Lechtal Alps in the north east, the Samnaun mountain chain in the south east and the Silvretta mountain chain in the south. The Arlberg pass connects the Verwall Alps with the Lechtal Alps, while the Zeinisjoch pass is the connection to the Silvretta mountain chain)
found: Wikipedia, Oct. 16, 2018:Verwall Alps (The Verwall Alps or Verwall Group are a mountain range of the Central Eastern Alps at the border of the Austrian states of Tyrol and Vorarlberg) Central Eastern Alps (The Central Eastern Alps (German: Zentralalpen or Zentrale Ostalpen), also referred to as Austrian Central Alps (German: Österreichische Zentralalpen) or just Central Alps comprise the main chain of the Eastern Alps in Austria and the adjacent regions of Switzerland, Liechtenstein, Italy and Slovenia)
found: Austro-Hungarian Monarchy. Militärgeographisches Institut. Karte der Ferwallgruppe, 1899, via WWW, viewed Oct. 16, 2018.
found: Fodor's Travel website, Oct. 16, 2018:Destinations > Europe > Austria > Innsbruck, Tirol, and Vorarlberg > Schruns-Tschagguns (the Ferwall Alps)
found: summitpost.org website, Oct. 16, 2018(Ferwall Group; area/range; location: Vorarlberg / Tirol, Austria, Europe; Lat/Lon: 47.07000°N / 10.15000°E. The Ferwall Group - also often called Verwall - is located at the centre of the Alps) - https://www.summitpost.org/ferwall-group/182894 found: Baedeker, K. The Eastern Alps, including the Bavarian Highlands, Tyrol, Salzkammergut, Styria, Carinthia, Carniola, and Istria, 1888, via Internet Archive, viewed Oct. 16, 2018:p. 203 (the Fervall-Alps) p. 204 (the Fervall mountains)
