found: Kluge, M.J. The history of Casco, Maine, c1991.
found: Rand McNally comm. atlas, 1989:(Casco (town of), Cumberland)
found: GeoNames, algorithmically matched, 2009(ppl; 44°00ʹ24ʺN 070°31ʹ22ʺW)
found: Attwood, S.B. Length and breadth of Maine, 1946, p. 122(Casco; Town; Cumberland County; for prev. designations: see Raymond; settled 1771; set off from Raymond and incorp. Mar. 18, 1841 the 353rd town; part of Raymond annexed Mar. 7, 1842; part of Poland annexed Mar. 20, 1858; Dingley Islands (13) and Songo Gore annexed Jan. 28, 1876)
