San Diego: Austin Hill Press, 1980. 8vo., pp.xiv,385, navy cloth, gilt; near-fine. No 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.

New York: St Vladimir’s Seminary Press, 2000. 8vo., pp.xii,229, blue hardcover, black lettering; ink ownership inscription to front paste-down, otherwise internally fresh and clean, else a fine copy in a fine unclipped dust-jacket.

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

New York: Oxford University Press, 1971. 8vo., pp.xviii,336, red cloth, gilt; toning to edges, light rubbing to extremities, with light sunning to upper margin of rear board, a very good copy, in good unclipped dust-jacket, which is sunned to spine, with chipping to head and foot of spine, and two small closed tears to rear upper margin.

York: University of York, 2000. 8vo., pp. 29, paperback (blue printed wrappers); lightly rubbed, else a very good clean copy.

Aldershot: Ashgate, 1997. 8vo., pp.xiv,361, red hardcover, gilt; from the library of Bernard Hamilton, with ownership autograph to front free endpaper, a very good copy indeed, in very good unclipped dust-jacket, which is lightly creased to headband, with slight rubbing to corners.

Cambridge University Press. 8vo., pp.xvii,577, black hardcover, gilt, 5 b/w maps; neat ownership bookplate to front paste-down endpaper, slight bruising to head of spine, a fresh and otherwise near-fine copy, in vg unclipped dust-jacket.

Cambridge University Press. 8vo., pp.xvii,577, black hardcover, gilt, 5 b/w maps; a fresh and near-fine copy, in a very good+ unclipped dust-jacket.

Chicago: Chicago University Press, 1953. First thus, 8vo., pp.xliv,255, black hardcover, gilt; light yellowing to pages, lightly rubbed, else a vg+ copy in a vg+ unclipped dust-jacket.

Oxford: Clarendon Press. 8vo., pp.xciii,297, grey cloth, gilt; fresh and near-fine, in vg+ price-clipped dust-jacket.

Oxford University Press, 2006. 8vo., pp.x,291-664, navy hardcover, gilt; a fresh and near-fine copy, with just slight bruise at headband, in a very good unclipped dust-jacket, with sunning to the spine, and now in a protective cover.

Oxford University Press, 2006. Two volumes, 8vo., pp.l,290;x,291-664, navy hardcover, gilt; from the library of D.E. Luscombe, with ownership autograph to front free endpaper, a fine set, in near-fine unclipped dust-jackets, of which the jacket to Volume II is slightly sunned to the spine.

Toronto University Press, 2010. 8vo., pp.xviii,528, black cloth, gilt; neat ownership nameplate to front paste-down endpaper, a near fine copy, in a very good unclipped dust-jacket.

Oxford: James Parker and Co., and Rivingtons. First edition, 8vo., pp.xvi,521, uncut, pictorial burgundy cloth, gilt; toning to half title, marking and possible light dampstaining to cloth, two tears to cloth over spine, one with small area of loss to cloth, a good copy.

Centrum Middeleeuwse Studies, Katholieke Universiteit, Nijmegen. 8vo.,pp. v,364, paperback; light suface soiling to covers, internally clean and very good.

London/Edinburgh: Oliver and Boyd, for the University Court of the University of St Andrews, 1950. 8vo., pp.xiv,494,(iv)adverts, uncut, red cloth, gilt, with heraldic emblem to front board, b/w frontispiece, 15 further b/w plates; ownership inscription to front free endpaper, light bubbling to spine, bruising to upper corners of boards, a very good copy, in unclipped dust-jacket, which is toned to spine, with small closed tears/light chipping to extremities (head and foot of spine have paper reinforcements to reverse), and splash-marking to spine, good+.

Edinburgh/London: Oliver and Boyd. First edition, 8vo., pp.viii,191, black cloth, gilt, b/w frontispiece portrait; lacks front free endpaper, light toning to half title, light sunning to spine and (partially) to rear board, else very good without dust-jacket.

Cambridge: Cambridge University Press. First paperback edition, 8vo., pp.xix,192, paperback; internally fine, with just slight shelfwear to wrappers.

New Jersey: Princeton University Press, 1992. 8vo.,pp. ix,387, paperback; ink underlining throughout with occasional annotation to margins, rubbed to extremities and creasing to corners, otherwise very good.