Rockville, Pennsylvania (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Rockville, Pennsylvania" in English language version.

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2books.google.com

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books.google.com

Notes and Queries, Historical, Biographical and Genealogical, Relating Chiefly to Interior Pennsylvania. Harrisburg Publishing Company. 1895. p. 19.
History of Dauphin County, Pennsylvania, Volume 3. Luther Reily Kelker. 1907. p. 570.

nationalmap.gov

edits.nationalmap.gov

U.S. Geological Survey Geographic Names Information System: Rockville, Pennsylvania

worldcat.org

worldcat.org

Steinmetz, Richard H. (1976). This was Harrisburg : a photographic history. Robert D. Hoffsommer. Harrisburg, Pa.: Stackpole Books. pp. 30–31. ISBN 0-8117-1729-1. OCLC 1976122.

search.worldcat.org

Steinmetz, Richard H. (1976). This was Harrisburg : a photographic history. Robert D. Hoffsommer. Harrisburg, Pa.: Stackpole Books. pp. 30–31. ISBN 0-8117-1729-1. OCLC 1976122.