Mark H. Welchley

• Beaver, Pennsylvania Argus genealogical gleanings, 1830-58
• Beaver County church history data base
• Beaver County, Pa. marriages, 1830-1873 from Beaver Co. newspapers
• Fayette Co. PA. marriage and death records from Uniontown PA. Genius of liberty (1809-1851) (scattered issues)
• Mt. Pleasant Cemetery, Darlington Twp., Beaver Co., Pa
• Pittsburgh, Pa., gazette genealogical gleanings, 1786-1820