found: Woodford, E. M. Map of the Town of Plymouth, Litchfield County, Connecticut, 1852, 1983?:map recto (Plymouth Hollow) [no publs. in LC data base]
found: Rand McNally comm. atlas, 1982(Thomaston, in Town of Thomaston, Litchfield Co.)
found: Hughes, A. H. Conn. place names, c1976(Plymouth Hollow, usual name for Thomaston while still a part of Plymouth)
found: GeoNames, algorithmically matched, 2009(ppl; 41°40ʹ26ʺN 073°04ʹ23ʺW)
found: GNIS, viewed Mar. 20, 2019(Thomaston; populated place, Litchfield [county], CT, 41°40'26"N, 73°04'23"W; variant names: Church Hollow; Plymouth Hollow; Thomas Town)