London: James Clarke & Co, 1957. First English edition, 8vo.,pp. 252, dark green cloth, purple title band to spine with gilt lettering; ownership autograph to front paste down endpaper, with ownership blind stamp to front free endpaper, toned and foxed to edges of text block with minor toning and foxing to margins, title page and endpapers, light rubbing to extremities, a good+ copy, in a good+ unclipped dust-jacket, which is rubbed and toned to spine and extremities, with water staining to rear lower corner.

Oxford: Oxford University Press, 2001. 8vo., pp.cxxi,246, hardcover, gilt; a near-fine copy, in a very good unclipped dust-jacket, which is lightly sunned to spine.

Cambridge: Cambridge University Press, 1992. 8vo., pp.xiii,268, hardcover, gilt; ownership bookplate to front paste down endpaper, light foxing to upper edge of text block, otherwise a very good copy, in a very good unclipped pictorial dust-jacket.

Cambridge: D.S. Brewer, 2007. 8vo., pp.xii,211, blue hardcover, gilt, with printed paper title label to front board, b/w plates; neat ownership nameplate to front paste-down endpaper, a fresh and near-fine copy, in simple homemade dust-jacket.

Leicester University Press, 2000. 8vo., pp.xiv,237, glazed hardcover, b/w illustrations; neat ownership nameplate to front paste-down endpaper, very mild shelfwear, a fresh and near-fine copy. No dust-jacket, as issued.

Donington: Shaun Tyas, 2006. 8vo.,pp. xi,420, terracotta cloth, gilt, b/w illustrations; ownership pictorial ink stamp to front paste down endpaper, slight water mark to lower margin of front board, a very good copy, in a very good unclipped pictorial dust-jacket.

Oxford: Oxford University Press, for The British Academy, 2008. 8vo.,pp. liv,154, burgundy hardcover, gilt, b/w plates; mildly ex-library with ink stamps to upper and lower edges of text block and acquisition labels to rear paste down and rear free endpapers, slight marking where label has been removed to lower part of spine, otherwise a very good copy. No dust-jacket.

Berkeley: University of California Press, 2002. 4to., pp.xxiv,323, navy cloth, gilt, 26 colour plates, 156 b/w illustrations; a fine copy, in a very good unclipped dust-jacket, which is just lightly sunned to the spine.

Aldershot: Ashgate, 2004. 8vo., pp.xv,232, black hardcover, gilt; ownership autograph to front free endpaper, a very good, fresh copy in a good+ unclipped dust-jacket, which is lightly shelfworn, with rubbing at light chipping at the edges.

Cambridge University Press, 2014. 8vo., pp.x,270, black hardcover, gilt; neat ownership bookplate to front paste-down endpaper, publisher’s ‘damaged’ stamp to title verso, with indentation to upper margin of front board, otherwise clean and very good indeed, in a very good unclipped dust-jacket, also with indentation to front upper margin (with scotch tape reinforcement to reverse).

London/New York: Routledge, 2000. 8vo., pp.xii,194, hardcover, 10 b/w illustrations; neat ownership nameplate to front paste-down endpaper, slight rubbing to extremities, internally fresh, a very good copy indeed. No dust-jacket, as issued.

Cambridge: Cambridge University Press, 2015. 8vo., pp.xxi,447, pictorial hardcover, b/w maps; ownership bookplate to front paste down endpaper, marked as damaged with red ink stamp to title page and publication page, otherwise near-fine.

Cambridge: Cambridge University Press, 1994. 8vo., pp. xi,354, hardcover, gilt, b/w figures and maps; ownership bookplate to front paste down endpaper, toning to margins, a very good copy, in a very good unclipped pictorial dust-jacket.

Toronto: Pontifical Institute of Mediaeval Studies, 2014. 8vo., pp.xiv,197, grey cloth, gilt; ownership bookplate to front paste-down, otherwise internally clean and fresh, a fine copy in a near fine unclipped dust-jacket.

London & New York: Cambridge Univeristy Press, 1972. 8vo., pp.xiii,300, red hardcover, gilt; ink ownership autograph to front free endpaper, scoring and occasional annotations in biro within, very light soiling to top edge of text block, otherwise a very good copy, in an unclipped pictorial dust jacket, which is lightly rubbed to edges, with small closed tear to rear upper margin.

Cambridge: D.S. Brewer, 1989. 8vo., pp.(xi),244, black hardcover, gilt, 24 b/w plates; neat ownership bookplate to front paste-down endpaper, fine, in near-fine price-clipped dust-jacket.

Woodbridge: The Boydell Press, 2000. 8vo.,pp. clx,892, green hardcover, with paper title label to front board, gilt, lettering to spine; ownership bookplate to front paste down endpaper, light sunning to spine, a very good, clean copy. No dust-jacket.

Philadelphia: University of Pennsylvania Press, 1995. 8vo., pp.xiii,329,(v), cloth lettered in blue, 11 b/w illustrations; a very good, clean copy. No dust-jacket.

Washington, D.C: The Catholic University of America Press, 2009. 8vo., pp.xi,196, paperback, with accompanying CD ROM; neat ownership nameplate to front wrapper verso, very good indeed.

Cambridge University Press, 2010. 8vo., pp.xii,293, blue hardcover lettered in silver, b/w figures; publisher’s ‘damaged’ stamp to title, verso, nonetheless a fresh and near-fine copy, in vg unclipped dust-jacket.