London: Edward Arnold & Co. PLEASE NOTE: Part I only, published in 1929. 8vo., pp. 249, burgundy cloth, gilt; ownership address label to front free endpaper, toned to margins, small adhesive marks to margin of front paste down endpaper, lightly rubbed to extremities, overall very good. No dust-jacket.

Warminster: Aris & Phillips, 1980. 8vo.,pp. vii,131, pictorial green cloth, gilt lettering to spine; light rubbing to extremities, a very good copy, in a very good unclipped pictorial dust-jacket, which is lightly rubbed and soiled to extremities.

Warminster: Aris & Phillips, 1995. 8vo.,pp. 154, hardcover, gilt; light sunning to extremities of boards, a very good copy, in a very good unclipped pictorial dust-jacket, which is lightly chipped to head of spine.

London: Constable and Co, 1927. Two volumes, the set, First edition thus, Limited to 1025 copies, 8vo.,pp. liv,231; 257, burgundy cloth with contrasting glazed boards, gilt lettering to spine, gilt to upper edge of text block, foxing to margins, rubbed to extremities of boards with wear to corners, light sinning to spines, overall very good. No dust-jackets.

New York: Routledge, 2003. 8vo.,pp. xii,242, paperback; a very good copy.

Cambridge: Cambridge University Press, 2006. 8vo.,pp. xxi,481, hardcover, gilt lettering, b/w figures; ownership inscription to front paste down endpaper, a very good copy, in a very good unclipped pictorial dust-jacket.

Oxford: Oxford University Press, 1992. 8vo.,pp. iv,373, hardcover, gilt, b/w maps; a very good copy, in a very good unclipped pictorial dust-jacket.

The University of Wisconsin Press, 1982. 8vo., pp.xi,270, grey cloth lettered in silver; pale foxing to edges, otherwise fresh and near-fine, in very good+ unclipped dust-jacket.

London: Duckworth, 1995. 8vo., pp.xviii,222, blue cloth, gilt, 64 b/w illustrations; occasional pencil marking, else a very good, fresh copy, in very good unclipped dust-jacket.

Oxford: Clarendon Press, 1994. 8vo., pp.xiii,414, paperback; ex libris Gordon Leff, with ownership inscription to front cover verso, a near-fine copy.

London/New York: Routledge. 8vo., pp.xviii,305, black hardcover lettered in silver; a very good, fresh copy, in vg unclipped dust-jacket.

New Haven/London: Yale University Press. Large 8vo., pp.xiv,191, black hardcover, gilt, b/w illustrations; upper corner of front board bumped, upper corner of rear board slightly bumped, else a fine, fresh copy, in unclipped dust-jacket, which is partially sunned and with same bumping to upper corners, else vg+ and now in a protective cover,

London: Faber and Faber Limited. 4to., pp.319, blue cloth, gilt, b/w plates and figures, b/w fold-out figures; ownership autograph to front free endpaper, foxing to upper edge and lightly to fore-edge, lower margin of front board significantly knocked with a 2cm closed tear to foot of spine, with creasing to lower margin of endpaper and title page and lightly to contents pages and first chapter, a good copy, in a good price-clipped dust-jacket, which is lightly rubbed and creased to spine and extremities, with 2cm piece missing to foot of spine and light wear to upper corners.

Oxford: Clarendon Press. 8vo., pp.(vi),238, navy cloth, gilt; corners of front board very lightly bumped, otherwise clean and very good indeed, in vg unclipped dust-jacket, which is sunned to spine and inner margins.

4to., pp.147-243, paperback (printed wrappers), b/w plates; a very good copy.

London/New York: Routledge. 8vo., pp.xvi,227, black hardcover lettered in silver; near-fine, in vg+ unclipped dust-jacket.

University of Exeter Press. 8vo.,pp.xiv,226, hardcover, b/w illustrations; a very good copy, in a very good unclipped dust-jacket, which is lightly sunned to spine and extremities.