London & Toronto: Dent, no date (1914). Two volumes, thick octavos, original maroon cloth, spines gilt lettered, title pages in red and black, top edges gilt. pp xxxii, 614, (1, ad); xxii, 630, (2). Volume I has chips and tears at fore edges to a few leaves near centre from careless opening (well away from any text), and just a few scattered light and easily erasable pencil notes: tidy ink owner name at front of Vol. II; light toning to the text paper; otherwise a fine, jacketless pair. Mavor was Prof. of Political Economy at the University of Toronto. Note: 2.5 kg parcel, extra shipping will be required.