Oxford: Oxford University Press, 2002. 8vo.,pp.xi,292, paperback, b/w frontispiece; water damage to edges of text block and to upper margins of first 50 pages, otherwise very good.

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

London: University of London Institute of Historical Research, The Athlone Press, 1965. 8vo., pp.xiii,99, green cloth, gilt; very mildly ex library, with St. Catherine’s College, Cambridge inkstamp to title page, otherwise unmarked, a very good copy indeed, in vg+ unclipped dust-jacket.

8vo., pp.174, blue cloth, gilt, b/w plates; nameplate to front paste-down endpaper, two ring water marks to front board, else clean and very good. No dust-jacket.

Cambridge: Cambridge University Press, 2016. 8vo.,pp. xvi,253, hardcover; marked as damaged to publication page, ownership bookplate to front paste down endpaper, a very good, otherwise clean copy. No dust-jacket.

The Hague: Martinus Nijhoff, 1968. Reprint, 8vo., pp. xvi,298, paperback; a near-fine copy.

Oxford: Oxford University Press, 2008. 8vo.,pp. xi,419, hardcover, gilt, b/w figures; a near-fine copy, in a near-fine unclipped pictorial dust-jacket.

Uppsala: Uppsala Universitet. 8vo., pp.xiv,315, paperback; light pencil-marking to margins, light rubbing/shelfwear to wrappers, else very good.

Oxford: Oxford University Press, 2007. 8vo.,pp. ix,284, black hardcover, silver lettering; a near-fine copy. No dust-jacket.

Manchester University Press, 1961. 8vo., pp.x,245, blue cloth, gilt; from the library of D.E. Luscombe, with ownership inscriptions to front endpapers, a very good copy, in unclipped dust-jacket, which is toned to the pale paper, with two 1cm closed tears to the upper margin, and one small chip at headband.

Woodbridge: York Medieval Press, in association with The Boydell Press, 1998. 8vo., pp.x,219, navy hardcover, gilt, with printed paper title label to front board; editors’ presentation inscription to front free endpaper, a fresh and near-fine copy.

Woodbridge: York Medieval Press, in association with The Boydell Press, 1998. 8vo., pp.x,219, navy hardcover, gilt, with printed paper title label to front board; from the library of Peter Biller, with ownership autograph to front free endpaper, just slight marking to boards, internally fresh, a very good+ 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.

Cambridge University Press, 1983. 8vo., pp.viii,222, brown hardcover, gilt; small review copy ticket pasted to front free endpaper (from The Journal of Modern History), a very good copy, fresh copy, in unclipped dust-jacket, which has creasing to head of spine and small closed tear to foot of rear flap-fold, else very good.

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.

London: Routledge, 2006. 8vo.,pp. xvi,192, paperback; a near-fine copy.

Barton-on-Humber: Workers’ Educational Association, 1999. Two volumes, 4to.,pp. i,107; 205; paperbacks, b/w illustrations, b/w frontispiece to volume I; ownership autograph to title page of both volumes, otherwise very good and clean.

Oxford: The Society for the Study of Medieval Languages and Literature, by A.J. Lappin, 2011. 8vo.,pp. ix,309, hardcover, gilt; ownership autograph to front free endpaper, with brief annotation to front paste down, a very good copy, in a very good unclipped pictorial dust-jacket.

Princeton: Princeton University Press, 1980. 8vo.,pp. ix,225, beige cloth, with green cloth spine and silver lettering; foxing to beige cloth boards, light foxing to upper edge of text block, a very good copy. No dust-jacket.

Leiden: E.J. Brill, 2004. 8vo., pp.xiii,251, pictorial hardcover, 2 b/w plates; a few small inked line-markings to margins of Introduction, from the library of Bernard Hamilton, although unsigned, otherwise clean and near-fine.