The New York Tunnel Extension of the Pennsylvania Railroad: Contractors' Plant for East River Tunnels
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The Purification of the Water Supply of Steelton, Pennsylvania
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The New York Tunnel Extension of the Pennsylvania Railroad
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The New York Tunnel Extension of the Pennsylvania Railroad: The East River Division
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Walnut Lane Bridge, Philadelphia
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Electric Railways in the Ohio Valley Between Steubenville, Ohio, and Vanport, Pennsylvania
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The Pennsylvania Avenue Subway and Tunnel, Philadelphia, Pa.
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Discussion "History of the Pennsylvania Avenue Subway, Philadelphia, and Sewer Construction Connected Therewith"

History of the Pennsylvania Avenue Subway, Philadelphia, and Sewer Construction Connected Therewith
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A Resurvey of the Williamsport Division of the Philadelphia and Reading Railroad
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