London/New York: Routledge, 2001. 8vo., pp.xxv367, paperback, b/w illustrations; light crease (binding fault) to preliminary leaves, a fresh and otherwise near-fine copy.

New York: Centre for Medieval & Early Renaissance Studies, 1982. 8vo., pp.346, green hardcover, gilt; lightly rubbed with a few light marks, else a vg+ copy, no dust-jacket.

London: Routledge and Kegan Paul, 1974. 8vo.,pp. ix,230, paperback, b/w illustrations; light toning to margins, light rubbing to extremities, otherwise a very good copy.

New York: Garland Publishing, 1984. 8vo., pp.xxix,143, green cloth, gilt, b/w illustrations, figures and frontispiece; a near-fine copy. No dust-jacket.

New York/London: Garland Publishing, Inc, 1984. 8vo., pp.xlvi,211, green cloth, gilt, b/w frontispiece; ownership bookplate to front free endpaper, an otherwise fine copy. No dust-jacket.

University of Exeter Press, 1994. Two volumes, 8vo., pp.xiv,382;vi,383-817, green hardcover, gilt, colour frontispieces; fine, in very good+ unclipped dust-jackets, just lightly toned to pale paper.

Cardiff: University of Wales Press, 1998. 8vo.,pp. xvi,664, hardcover, gilt, b/w maps and tables; a very good copy, in a very good unclipped pictorial dust-jacket.

Woodbridge: The Boydell Press, 2015. 8vo.,pp. xvi,234, printed hardcover, b/w tables; a fine copy. No dust-jacket.

State University of New York at Binghampton: Medieval and Renaissance Texts and Studies, 1983. 8vo., pp.197, brown cloth, gilt; very good indeed. No dust-jacket.

Cambridge: D.S. Brewer, 1987. 8vo.,pp. x,1124, black cloth, silver lettering; light shelf wear to edges of text block, otherwise clean and a very good copy, in a very good price clipped dust-jacket, which is rubbed to extremities, light sunning to spine with light chipping to head and foot of spine and corners.

Cambridge: D.S. Brewer, 2005. 8vo.,pp. 286, brown hardcover, gilt, b/w figures; light sunning to spine, otherwise a very good copy. No dust-jacket.

Cambridge: D.S. Brewer, 1990. 8vo.,pp. 289, hardcover, silver lettering; ownership autograph to front free endpaper, toning to endpapers, light bump to upper corners of boards, otherwise a very good copy, in a very good unclipped pictorial dust-jacket, which is rubbed to extremities with chipping to head and foot of spine with light wear to corners and sunning to spine.

Cambridge: Cambridge University Press, 1998. 8vo., pp.xi,i,338, brown hardcover, gilt; a near-fine copy in vg unclipped dust-jacket, which is lightly rubbed.

Oxford: Oxford University Press, 1969. 8vo.,pp. lxxvi, 618, navy hardcover, bronze lettering to spine; ownership inscription to front paste down endpaper, small patch of wear to inner hinge with webbing slightly visible but otherwise firm, light foxing to upper edge of text block, a very good copy. No dust-jacket.

Woodbridge: The Boydell Press, 2005. 8vo.,pp. 373, paperback, b/w illustrations; a very good, clean copy.

Oxford: Oxford University Press, 2006. 8vo.,pp. viii,266, hardcover, gilt; pencilling throughout, front free endpaper marked as damages with ownership doodle surrounding ink stamp, in an unclipped pictorial dust-jacket, which is rubbed and lightly worn to corners, overall a very good working copy.

Malden, MA: Blackwell Publishing, 2006. 8vo.,pp. ix,342, paperback, b/w illustrations; a very good, clean copy.

New Haven/London: Yale University Press, 1970. 8vo., pp.xii,299, brown cloth, gilt neat ownership nameplate to front paste-down endpaper, light sunning to spine, a very good, internally fresh copy.

York Medieval Press, 2009. 8vo., pp.xxii,533, navy hardcover, gilt, 22 b/w illustrations; inscription from the editor to front free endpaper, a fresh and near-fine copy, in a very good+ unclipped dust-jacket.

Oxford: Oxford University Press, 2000. 8vo., pp.xi,257, navy hardcover, gilt; very slight rubbing to lower extremities, else a fine copy, in an unclipped dust-jacket which is lightly shelf-worn, otherwise very good indeed.