"Annual 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 …"; "West Penn Power Company--Periodicals.", "Monongahela West Penn Public Service Company--Periodicals.", "West Penn Railways Company--Periodicals.", "West Penn Company--Periodicals."; "1923"; "

Serial. Printed Ephemera Collection has: 1923.

"; ""; "P14947"; "pec"; "West Penn Company--Periodicals.", "West Penn Power Company--Periodicals.", "Monongahela West Penn Public Service Company--Periodicals.", "West Penn Railways Company--Periodicals."; "14256"; .