Department of Pennsylvania

[2008-07-05].  Pennsylvania Department of Environmental Protection, Bureau of Watershed Management, Division of Water Use Planning. Pennsylvania Gazetteer of Streams

Pennsylvania Department of State. May 17, 2022 [2023-08-18]. （原始内容存档于2023-10-29）.  2022 Primary Election Official Results. Pennsylvania Department of

R.R. The Crown Jewel of Pennsylvania: The State Forest System. Pennsylvania Forestry Association, Pennsylvania Department of Conservation and Natural

TOM TIGUE NAMED TO MILITARY AND VETERANS AFFAIRS HALL OF FAME (新闻稿). Pennsylvania Department of Military and Veterans Affairs. 2007-07-31 [2016-02-02]

[2021-03-15]. （原始内容存档于2021-03-11） （英语）.  Pennsylvania Primary Election Results. Pennsylvania Department of State. 17 May 2022 [1 July 2022]. （原始内容存档于2022-09-29）