Leiden: E.J. Brill, 1985. Two volumes, 8vo., pp.xii,446;xii,336, blue cloth, gilt; from the library of Gordon Leff, with ownership inscription to front paste-down endpaper of both volumes, light spotting to top edges, otherwise fine, in very good unclipped dust-jackets, of which jacket to volume II has two small closed tears to rear upper edge.

Philadelphia: The American Philosophical Society, 1972. 4to., pp.104, green cloth, gilt; evidence of removed label to front paste-down endpaper, front free endpaper cropped at upper and lower corners, rubbing to extremities, internally clean and otherwise very good, a good(+) copy overall.

Oxford University Press, 2001. First edition, 8vo., pp.viii,380, paperback; from the library of Gordon Leff, with ownership inscription to front wrapper verso, else a fresh and near-fine copy.

London: Chatto and Windus, 1937. First edition, 8vo., pp.336, terracotta cloth, gilt, top edges red; foxing to fore- and lower edges, very slight roll to spine, an otherwise near-fine copy, in unclipped dust-jacket, which has light loss from chipping to front lower LH corner, else complete, crisp and very good indeed.

London: Variorum Reprints, 1985. 8vo., blue cloth, gilt; from the library of Gordon Leff, with ownership inscription to front paste-down endpaper, light spotting to top edges, a very good, clean copy. No dust-jacket, as issued.

Oxford University Press, 2001. 8vo., pp.xiii,483, paperback; from the library of Gordon Leff, with ownership inscription to front wrapper verso, a fresh and very good+ copy.

Richmond: Curzon Press, 1996. 8vo., pp.xv,375, red hardcover, gilt; a fine, fresh copy, in fine unclipped dust-jacket.

London: Routledge and Kegan Paul, 1979. 8vo., pp.iii,216, brown hardcover, gilt; a very good, clean copy, in unclipped dust-jacket, which is lightly creased to extremities.

Princeton University Press, 1978. 8vo., pp.xii,215, brown cloth with stamped title label to spine, gilt; very good indeed, in very good unclipped dust-jacket, which is lightly creased/chipped to headband, and now in a protective cover.

Leuven: Leuven University Press, 1991. Large 8vo., pp.478, uncut and unopened, paperback (academic wrappers); slight marking to pale wrappers, a fresh and otherwise fine copy - unused.

Oxford: Clarendon Press, 1992. 8vo., pp.xxii,218, navy hardcover, gilt; a fine copy, in very good+ unclipped dust-jacket.

University of Exeter Press, 1990. 8vo., pp.xi,235, blue hardcover, gilt, b/w frontispiece, 5 further b/w plates; a fine copy, in very good unclipped dust-jacket.

Oxford University Press, 1979. 8vo., pp.viii,302, blue hardcover, gilt; from the library of Gordon Leff, with ownership inscription to front paste-down endpaper, slight spotting to top edges, a fresh and near-fine copy, in vg price-clipped dust-jacket.

London: Edward Arnold, 1969. 8vo., pp.xxxii,343, grey cloth with pink title band to spine, gilt, b/w frontispiece; from the library of Gordon Leff, with author’s presentation inscription to front free endpaper, a very good, clean copy, in unclipped dust-jacket, which is lightly sunned to spine, with slight chipping to foot of spine, else very good.

Cambridge University Press, 1997. 8vo., pp.xviii,249, paperback; price-sticker to rear cover, light curling to front wrapper, a fresh and near-fine copy.

Oxford: Clarendon Press, 1958. Reprint, 8vo., pp.xvi,382, navy cloth, gilt; ownership inscription to front free endpaper, else very good indeed, in price-clipped dust-jacket, which is partially toned, with some creasing to extremities - now in a protective cover.

Oxford: Clarendon Press, 1991. 8vo., pp.(v),164, navy cloth, gilt; ownership inscription to front paste-down endpaper, else very good indeed, in vg unclipped dust-jacket, which has small closed tear to foot of spine.

Oxford: Clarendon Press, 1975. 8vo.,pp. xix,277, red cloth, gilt; ex-library, ownership inscription and library bookplate and ink stamp to front paste down endpaper, small ink stamps to publication page and to lower margins of pp. 29, 78, 276 and 277, foxing to upper text block, otherwise a very good copy.

Oxford: University Press, 1992. First edition, paperback; name to front end-paper otherwise very good

London: Condor Books/Souvenir Press. First UK edition, 8vo., pp.xiv,110, grey hardcover lettered in black; foxing to top edges, else clean and very good, in vg unclipped dust-jacket.