London: Thomas Baker. First edition, 8vo., pp.(iii),247,(xii)adverts, purple cloth, gilt; ownership blindstamp to prelim blank, small ink ownership inscription to (brown) front paste-down endpaper, front endpapers cracked (board firm), else internally clean and very good, spine sunned to brown, with light wear to cloth at head and foot of spine, rubbing to extremities, light partial sunning to boards, overall a good+ copy.

Aldershot: Ashgate, 2008. 8vo.,pp. xiv,235, hardcover, gilt, b/w tables; ownership autograph to front free endpaper, slight scuff mark to spine, otherwise near-fine. No dust-jacket.

Oxford University Press, 1978. 8vo., pp.xii,211, navy cloth, gilt; from the library of D.E. Luscombe, with ownership autograph to front free endpaper, light spotting to top edges, slight roll to spine, a very good copy, in vg unclipped dust-jacket.

Aldershot: Variorum, 1992. 8vo.,pp.viii, 341, blue cloth, gilt, b/w frontispiece; ownership inscription to front free endpaper, otherwise near-fine. No dust-jacket, as issued.

London: Variorum Reprints. 8vo., pp.x,308, blue cloth, gilt, b/w frontispiece; light rubbing to extremities, a near-fine copy.

London: Variorum Reprints. 8vo., pp.(x,308), blue cloth, gilt, b/w illustrations; fresh and very good indeed. (No dust-jacket).

Brepols, 1996. 8vo., pp., paperback; from the library of D.E. Luscombe, with ownership autograph to prelim blank, a very good+ copy.

Oxford: Clarendon Press, 1995. 8vo., pp.(viii),286, paperback; a very good, fresh copy.

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.

Arbour Hill: The Lilliput Press, 1995. 8vo.,pp. x,288, hardcover, gilt; slight foxing to upper and lower edge of text block, a very good copy, in a very good unclipped pictorial dust-jacket.

Oxford: Oxford University Press, 2002. 8vo., pp.xii,644, paperback, four b/w illustrations; lightly rubbed, light surface scratches, a very good copy.

Oxford: Oxford University Press, 2014. 8vo.,pp. x,426, paperback; a near-fine copy.

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

Lublin: Wydawnictwo KUL, 2004. 8vo., pp.373, paperback, contributions in English, French and German; from the library of D.E. Luscombe, with neat ownership autograph to half title, a very good, fresh copy.

London: Variorum Reprints, 1977. 8vo., pp.(388), blue cloth lettered in silver; a very good, fresh copy.

London: Croom Helm, 1973. 8vo., pp.340, black hardcover, gilt; a very good, clean copy, in price-clipped dust-jacket, which is lightly rubbed to edges, with small closed tear to rear upper margin, o/w very good and now in a protective cover.

Cambridge: Cambridge University Press, 2002. 8vo.,pp. 265, hardcover, silver lettering, b/w frontispiece; ownership bookplate to front paste down endpaper, otherwise near-fine, in a near-fine unclipped pictorial dust-jacket.

Leuven: Peeters, 2017. 8vo.,pp. 512, printed hardcover, b/w diagrams; from the library of D.E. Luscombe, with ownership autograph to front free endpaper and annotation to lower margin of front paste down endpaper, light rubbing to extremities, otherwise clean and very good. No dust-jacket, as issued.

Bristol: Burleigh Press, 1970. 8vo. pp. ix,370, hardcover, gilt, colour frontispiece, b/w illustrations; ownership bookplate to front paste-down, pages very slightly yellowed, light foxing to endpapers, rest of the text unaffected, light rubbing to boards, overall a very good copy in a vg dust unclipped dust jacket, lightly rubbed, with light surface soil and adhesive tape to upper and lower margin.

Liverpool: Liverpool University Press, 1994. 8vo.,pp. xvii,155, paperback, b/w maps to rear; very lightly sunned to spine, a very good copy.