Killingworth, a post-township of Middle sex county, Connecticut, intersected by the Hammonasset river, 22 miles E. by N. from New Haven. Population, 1107.

A New and Complete Gazetteer of the United States: Giving a Full and Comprehensive Review of the Present Condition, Industry, and Resources of the American Confederacy ... Thomas Baldwin (of Philadelphia.) Joseph Thomas January 1, 1854 Philadelphia : Lippincott, Grambo & Company 1854.

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