Hanover Township borders the Townships of Smith, Jefferson and Robinson of Washington County and Hanover Township in Beaver County. Founded in 1786,
- Category: Hanover Township, Washington County, Pennsylvania
- Hanover Township on Wikipedia
- History of Hanover, Washington, Pennsylvania
- Boyd Crumrine, "History of Washington County, Pennsylvania with Biographical Sketches of Many of Its Pioneers and Prominent Men" (Philadelphia: L. H. Leverts & Co., 1882).
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