Cambridge University Press. First edition, 8vo., pp.xxii,544, green cloth, gilt, b/w illustrations; a near-fine copy, in a near-fine unclipped dust-jacket.

Oxford University Press, 1948. Reprint, 8vo., pp.x,354, paperback; creasing to spine, else a very good, fresh copy.

Oxford University Press, 1942. Reprint, 8vo., pp.lvii,525, paperback; occasional light pencilling, spine lightly creased, else a very good copy.

Continuum, 2006. First edition, 8vo., pp.x,214, black hardcover lettered in silver; a fine copy, in a very good+ unclipped dust-jacket.

Cambridge University Press, 1991. 8vo., pp.xii,334, paperback; a very good, internally fresh copy.

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

New York: The Franciscan Institute, St. Bonaventure University, 1994. 8vo., pp.ix,345, paperback; ownership nameplate to reverse of front wrapper, scotch-tape reinforcement along fore-edges of wrappers, split between leaves at p.134, else very good.

Cambridge: Cambridge University press, 1943. 8vo., pp.xi,237, blue hardcover, gilt, small decorartion in blind to front board, b/w frontispiece; ownership bookplate to front paste-down, faded ink library stamp to front paste-down and front free endpaper, foxing throughout text, boards lightly rubbed, sunned to spine, gilt still bright, more noticeable marks to rear board, overall a good+ copy.

Cambridge University Press, 2022. 8vo., pp.li,452, pictorial hardcover; very good indeed. No dust-jacket, as issued.

London: Kegan Paul, Trench, Trubner & Co. Ltd, 1902. 8vo., pp.xv,105, tan hardcover, gilt; ownership plates to front endpapers, toning to endpapers and lightly throughout, edges toned, slight rubbing to extremities and very slight soiling to boards, otherwise very good.

Published for the Canadian Corporation for Studies in Religion/Corporation Canadiennedes Sciences Religieuses, by Wilfrid Laurier University Press, 2004. 8vo., pp.ix,201,maroon cloth, gilt; a fine, fresh copy, in a very good unclipped dust-jacket, which is lightly sunned to spine.

Cambridge University Press, 2007. 8vo., pp.xii,361, black hardcover, gilt; very good indeed, in a very good unclipped dust-jacket.

Bristol: Burleigh Press, 1970. 8vo. pp. ix,370, hardcover, gilt, colour frontispiece, b/w illustrations; ownership bookplate to front paste-down, pages very slightly yellowed, light foxing to endpapers, rest of the text unaffected, light rubbing to boards, overall a very good copy in a vg dust unclipped dust jacket, lightly rubbed, with light surface soil and adhesive tape to upper and lower margin.

Woodbridge: The Boydell Press, 1998. 8vo.,pp. cxii,990, green hardcover, cream title label to front board, gilt lettering to spine; ownership bookplate to front paste down endpaper, otherwise near-fine, in a very good card dust-jacket with lettering to spine.

London: S.P.C.K, 1961. 8vo., pp.xv,269, black cloth, gilt; ownership nameplate to front paste-down endpaper, light rubbing to extremities, else very good, in slightly warped unclipped dust-jacket, which is lightly chipped to extremities, with scotch-tape reinforcement to edges.

London: Oliver and Boyd, 1926. First edition, 8vo., pp.xi,183, uncut, navy cloth, gilt, 9 b/w plates; light toning to endpapers and very slightly throughout, a little rubbing to extremities, very slight crease to headband, a very good copy.

Oxford University Press, for The British Academy, 2002. 8vo., pp.lxxvi,185, red cloth, gilt, 8 b/w plates; tiny crease to upper corners of pp.xxix-xl, otherwise a near fine copy. No dust-jacket, as issued.

Brookline, Massachusetts: Holy Cross Orthodox Press, 1981. 8vo., pp.234, paperback; edges lightly toned, with small ink spot, light toning and shelf-wear to wrappers, a very good copy.

Leiden: Brill, 2012. 8vo., pp.xii,415, pictorial hardcover; very light shelf-wear to extremities, otherwise a near fine copy.

Oxford: Oxford University Press, 2011. 8vo.,pp. x,264, hardcover, gilt; some surface markings to boards, a very good copy, in a very good unclipped pictorial dust-jacket.