Porter, Robert P.: [458], [464] n.

Posting: [57]

Post Office and Railways: [264]-5

Potter, F.: [351]-2, [428]

Pottery industry: [159]-61, [175], [176], [307]

Powell, E. T.: [402]

Preferential railway rates: [352]

Priestley, Joseph: [120]

Private Owners of Railway Rolling Stock, Association of: [361] n.

Prussian State Railways: [255], [291], [292], [357], [359], [365]