Cambridge: Cambridge University Press, 2010. 8vo., pp. xvii, 385, black hardcover, gilt, b/w illustrations; ownership bookplate to front paste-down, else a near fine copy in a very good dust-jacket with a small crease to front upper margin, and a few light surface marks and scratches.

Indiana: Liberty Fund, Inc, 2003. Three volumes, 8vo., pp.lxxxvii,520;1183;1468, paperback, b/w frontispieces; light creasing to front lower corner of wrapper to Volume II, light creasing to the laminate coating of the wrappers to the spine of Volume II, a fresh and near-fine set.

Berkeley/Los Angeles: University of California Press, 1958. 8vo., pp.xiv,354, brown cloth, gilt, b/w frontispiece and five further b/w plates; a very good copy, in an unclipped dust-jacket, which has chipping and several closed tears to extremities, most notably to ear upper margin.

Berkeley/Los Angeles: University of California Press, 1958. 8vo., pp.vii,444, brown cloth, gilt, b/w frontispiece and one further b/w plate; a very good, clean copy, in an unclipped dust-jacket, which is lightly chipped and worn to edges.

Berkeley/Los Angeles: University of California Press, 1958. 8vo., pp.xix,479, brown cloth, gilt, b/w frontispiece and 2 further b/w plates; light foxing to top edges, a very good, clean copy, in an unclipped dust-jacket, which is lightly chipped and worn to edges, with light surface soil to the pale paper, and a couple of small closed tears to the upper edge.

Cambridge: Cambridge University Press, 1956. 8vo., pp.xiii,151, blue cloth, gilt, 9 b/w plates, fold-out architectural plan; ownership plate to front free endpaper, very slight foxing to endpapers, internal threading slightly visible, very slight soiling to fore-edge, light rubbing and toning to boards, else a very good copy, in a price-clipped dust-jacket which is lightly soiled and rubbed, else good + now in a protective cover.

London: The Saint Austin Press, 2001. 8vo., pp. xiii, 153, burgundy cloth, gilt; ownership autograph to front paste-down endpaper, else internally clean, a very good copy indeed, in a very good unclipped dust-jacket.

Pennsylvania: The Pennsylvania State University Press, 2001. 8vo. pp. xi,427, paperback; ownership bookplate to front paste-down and a few light marks to edges, otherwise internally clean, a very good copy.

New York: Russell and Russell, 1963. 8vo., pp.xc,410, black cloth, gilt; ex library, with inkstamp to rear free endpaper, p.410, and to upper and lower edges, inkstamp to title verso, remains of removed bookplates to front free endpaper, and very slight evidence of removed sticker to foot of spine, an otherwise very good copy, which is internally clean and fresh. No dust-jacket.

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.

Leiden: E.J. Brill, 1985. Two volumes, 8vo., pp.xii,446;xii,336, blue cloth, gilt; from the library of Gordon Leff, with ownership inscription to front paste-down endpaper of both volumes, light spotting to top edges, otherwise fine, in very good unclipped dust-jackets, of which jacket to volume II has two small closed tears to rear upper edge.

Stamford: Paul Watkins. 8vo., pp.ccxxi,813, black cloth, gilt; a fine copy, in vg unclipped dust-jacket, which has mark from removed barcode sticker to rear, and is now in a protective cover.

Cambridge: Cambridge University Press, 2002. 8vo, pp.xiv,430, paperback, b/w frontispiece; just slight shelf-wear, internally fine, a very good copy indeed.

8vo.,pp. ix,180, white boards with blue hardcover spine, silver lettering; a near-fine copy, in a very good unclipped dust-jacket, which is lightly sunned to spine.

Ashgate, 2015. 8vo., pp.xxxi,830, black hardcover, silver, b/w frontispiece and 7 b/w illustrations; a near-fine copy.

London: Routledge and Kegan Paul, 1986. 8vo., pp.ix,139, blue cloth, gilt; from the library of Gordon Leff, with ownership inscription to front paste-down endpaper, foxing to top edges, a very good copy, in vg unclipped dust-jacket.

Bern: Peter Lang, 2000. 8vo., pp.256, paperback; light sunning to the spine and small crease at the bottom of the front cover, a very good, clean copy.

Athens: The University of Georgia Press, 1989. 8vo.,pp. 584,black cloth, gilt, b/w frontispiece; a near-fine copy, in a very good unclipped dust-jacket, which is lightly toned to spine, light chipping to head and foot of spine, rubbed to corners.

London: The Faith Press, 1518. 8vo., pp.xvii,63 (versos - Latin text),63 (rectos - English translation), grey cloth, gilt; neat ownership nameplate to front paste-down endpaper and small paper reinforcement to front inner hinge, toning and foxing to preliminary and closing leaves, overall a very good copy. No dust-jacket.

London: Harvill Secker, 2006. First edition, small 8vo.,pp. x,138, hardcover, gilt; a near-fine copy, in a very good unclipped pictorial dust-jacket, which is lightly soiled.