-
geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1563618
-
geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1583036
-
en.wikipedia.org/wiki/Cumberland,_Wisconsin (26 May 2010)
-
en.wikipedia.org/wiki/Cumberland,_Barron_County,_Wisconsin