County MPS (PDF). National Register of Historic Places. National Park Service. [February 21, 2011]. (原始内容存档 (PDF)于2016-10-11). UnitedStates Army Signal Corps;
Information System. UnitedStates Geological Survey. American FactFinder. 美国人口调查局. [2011-05-14]. (原始内容存档于2013-09-11). Historical Markers & Sites in Clarke County
The Forgotten Isles: A Risk Assessment of the UnitedStates’ Island Territories, 2008-2020 (PDF). sites.tufts.edu. [2022-05-16]. (原始内容存档 (PDF)于2021-12-04)
(英语). Extension: Glacier Bay National Park - extension of the Wrangell/St.Elias/Kluane site of Canada-USA (UnitedStates of America). UNESCO World Heritage