Cambridge University Press, 2016. Reprinted, 8vo., pp.xviii,851, blue hardcover, gilt; neat ownership bookplate to front paste-down endpaper, publisher’s ‘damaged’ stamp to title verso, a fresh and near-fine copy, in a very good+ unclipped dust-jacket.

Cambridge University Press, 2016. 8vo., pp.xx,975, blue hardcover, gilt; neat ownership nameplate to front paste-down endpaper, publisher’s ‘damaged’ stamp to title verso, light creasing to headband, slight nick to tailband, else a fine copy, in very good unclipped dust-jacket, which is lightly rubbed to head and foot of spine.

Oxford: At the Clarendon Press, 1927. 8vo.,pp. 183, dark green cloth, gilt, b/w frontispiece; two ownership bookplates to front paste down endpaper, with a small booksellers bookplate, ownership autograph to front free endpaper, light foxing to endpapers and light toning to margins, front board slightly rolled, rubbing to extremities, with light chipping to head and foot of spine and corners, overall a very good copy. No dust-jacket.

Fonthill, 2017. 8vo.,pp. 174, hardcover, gilt, b/w and colour illustrations; ownership bookplate to front paste down endpaper, otherwise a near-fine copy, in a near-fine unclipped pictorial dust-jacket.

Oxford: Oxford University Press, 1987. 8vo.,pp.cxiii,385, navy cloth, gilt, b/w frontispiece; ownership bookplate to front paste-down, very faint toning lines to endpapers, otherwise internally clean, a near-fine copy, in a very good unclipped dust-jacket, which is lightly sunned to spine.

New York: New City Press, 2020. Second edition, reprint, 8vo., pp.471, paperback; neat ownership nameplate to front wrapper verso, internally fresh and fine, a very good copy indeed.

Oxford: Oxford University Press, 2015. Reprint, 8vo., pp.xix,350, paperback, b/w illustrations; neat ownership nameplate to front wrapper verso, very slight soiling to fore edges of text block, just slight shelfwear to wrappers, a very good copy indeed.

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.

New Haven/London: Yale University Press, 1992. Large 8vo., pp.xxxvii,643, maroon cloth, gilt, b/w frontispiece and one further plate; a fresh and near-fine copy, in a very good unclipped dust-jacket, which is just slightly rubbed to edges.

Oxford: Oxford University Press, 2000. 8vo.,pp. xviii,254, hardcover, gilt; ownership bookplate to front paste down endpaper, a very good copy, in a very good unclipped dust-jacket.

London: Routledge & Kegan Paul. 8vo.,pp. x,272, hardcover, gilt, pages 151-182 toned, otherwise a very good copy, in a very good unclipped pictorial dust-jacket, which is lightly rubbed to extremities.

Oxford: At the Clarendon Press, 1967. 8vo.,pp. xi,217, navy hardcover, gilt; a near-fine copy, in a very good price-clipped dust-jacket, which is sunned to spine and lightly rubbed to extremities, small closed tear to rear upper margin.

London: Eyre & Spottiswoode, 1965. 8vo.,pp. xxxvii,232, blue cloth boards, with black title band to spine and gilt lettering; light toning to edges of boards, a very good copy, in a very good unclipped dust-jacket, which is rubbed to extremities and lightly sunned to spine.

New York: The Franciscan Institute, St Bonaventure University, 1994. 8vo.,pp. xii,264, paperback, b/w maps to rear; ownership bookplate to front paste down endpaper and ownership autograph to half title page, a very good copy.

New York: The Franciscan Insitute, St. Bonaventure University, 1991. 8vo.,pp. xvii,393, printed wrappers; ownership bookplate to front wrapper verso, light creasing and a small stain to spine, fore-edge of front and rear wrappers strengthened with adhesive tape, otherwise a very good, internally clean copy.

Liverpool: Liverpool University Press, 2005. 8vo.,pp. xviii,433, pictorial hardcover, colour plates; ownership bookplate to front paste down endpaper, otherwise near-fine. No dust-jacket.

Grand Rapids/Edinburgh: William B. Eerdmans / T. & T. Clark, 1998. Three volumes, 8vo., pp.xxiii,466;xiii,439;xvii,777, paperback; neat ownership nameplate to front wrapper versos, a fresh and near-fine set.

Toronto: Pontifical Institute of Mediaeval Studies, 2007. Four volumes, Books Two and Three second impression, 8vo., pp.lviii,278;xlv,236;xlviii,189;lxxv,304, paperback; ex libris D.E. Luscombe, with small ownership autograph to prelims, slight crease to upper corner of rear wrapper to Book II, a fine set.

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

Oxford: Oxford University Press, 1980. 8vo.,pp.xii,247, hardcover, gilt; very light toning to fore-edge, ownership bookplate to front free endpaper, slight rubbing to extremities, small bump to tail of spine, a very good copy, in a very good unclipped pictorial dust-jacket, lightly rubbed with two repaired closed tears to headband, creased to head and foot of spine, light sunning to spine.