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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:409908
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en.wikipedia.org/wiki/Harwood_Heights,_Illinois (16 Jul 2010)
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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:2398264
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idaillinois.org/cdm/landingpage/collection/eisenhow001 (23 Feb 2013)
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www.eisenhowerlibrary.org/ (23 Feb 2013)
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www.harwoodheights.org/ (23 Feb 2013)
Official information site for the Village of Harwood Heights, Illinois and the Harwood Heights Police Department.