"Proceedings of the eighth regular and second annual meeting held at the William Penn Hotel, Pittsburgh, Pa., Thursday, December 13, 1928. "; "Allegheny Regional Advisory Board."; "Railroads--Ohio River Valley--Congresses."; "Allegheny Regional Advisory Board."; "1928"; "Monograph. \"Allegheny Regional Board in co-operation with and advisory to the Car Service Division, American Railway Association.\"
"; ""; "P4135"; "pec"; "Railroads--Ohio River Valley--Congresses."; "14256"; .