HISTORY OF NORTHAMPTON COUNTY, PENNSYLVANIA,
By Captain Franklin Ellis. PHILADELPHIA: Peter Fritts, 1877

Ellis, Capt. Franklin, History of Northampton County, 1877. pp.244-246.
WILLIAMS TOWNSHIP (1750).

This township is bounded on the north by the Lehigh River, separating
it from Palmer township and the Borough of Easton, on the east by the
Delaware River, separating it from New Jersey; on the south by Bucks
county; and on the west by the Township of Lower Saucon. It was erected
as a township of Bucks county, in the year 1750.
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Ore, in this region, has been extensively mined on properties of Jacob
Hartzell, formerly owned by F. Unangst, L. Lake, C. Rice, B. Hoover,
and others.