Edward Manning Ruttenber, Footprints of the Red Men
“ To the Algonquian dialects spoken in the valley of Hudson's River at the time of the discovery, was added later the Mohawk—Iroquorian, to some extent, more particularly on the north, where it appears about 1621-6, as indicated in the blanket deed given by the Five Nations to King George in 1726. Territorially, in the primary era of European invasion, the Eastern Algonquian prevailed, in varying idioms, on both sides of the river, from a northern point to the Katskills, and from thence south to the Highlands a type of the Unami-Minsi-Lenape or Delaware. ”
