found: Town of Harrison, 1981? (subj.)map recto (Town of Harrison)
found: Rand McNally comm. atlas, 1980(Harrison, in Westchester Co., Town and urban area coextensive)
found: GeoNames, algorithmically matched, 2009(ppl; 40°58ʹ08ʺN 073°42ʹ45ʺW)
found: Town of Harrison budgeting practices, 2019:page 1 (The Town of Harrison ... has the same boundaries as its village (coterminous) and is located in Westchester County.) page 6 (Town of Harrison, Village of Harrison ... Harrison, New York; Town/Village of Harrison)
found: Wikipedia's web site, viewed on August 25, 2020:Harrison, New York page (Harrison is a coterminous town-village located in Westchester County, New York; Harrison is a town and village in Westchester County, New York)