http://pec.lib.wvu.edu/record/P149471923Annual report, the West Penn Company, West Penn Railways Company, West Penn Power Company, and Monongahela West Penn Public Service Company, for the fiscal year ended December 31 …<p> Serial. Printed Ephemera Collection has: 1923.</p>West Penn Company--Periodicals.Monongahela West Penn Public Service Company--Periodicals.West Penn Railways Company--Periodicals.West Penn Power Company--Periodicals.14256