(1927). Fundamentals of industrial prosperity: An account of the visit to the Philadelphia Rapid Transit Co. of the delegation appointed by the British Government to study industrial conditions in the United States, November 24, 1926. [Philadelphia]: PRT.

Fundamentals of Industrial Prosperity: An Account of the Visit to the Philadelphia Rapid Transit Co. of the Delegation Appointed By the British Government to Study Industrial Conditions in the United States, November 24, 1926. [Philadelphia]: PRT, 1927.

Fundamentals of Industrial Prosperity: An Account of the Visit to the Philadelphia Rapid Transit Co. of the Delegation Appointed By the British Government to Study Industrial Conditions in the United States, November 24, 1926. [Philadelphia]: PRT, 1927.