London: Routledge and Kegan Paul, 1981. 8vo., pp.xiii,393,(ix), green cloth, gilt; tobacco odour, with yellowing and foxing to edges, else very good, in unclipped dust-jacket, which is toned, with light sunning to spine, and light rubbing at extremities.

London: Routledge & Kegan Paul, 1977. Reprint, 8vo.,pp.,viii,303, green hardcover,gilt; top lightly toned, fore-edge lightly scuffed, toning to margins,, o/w a very good copy in an unclipped dust-jacket which has a very small tear to right upper edge and a three centimetre tear to lower left corner on back of dust-jacket, else good.

London: Routledge & Kegan Paul, 1981. Reprint, 8vo., pp.,xi,333,green hardcover, gilt, b/w frontispiece, b/w illustrations; light toning and spotting to head and fore-edge, pages lightly toned to margins, sticker residue to front endpaper, tobacco odour, o/w a very good copy in an unclipped dust-jacket which is toned and foxed to edges, else good+

London: Routledge & Kegan Paul, 1981. Reprint, 8vo., pp.xiv,453, green hardcover, gilt, colour frontispiece, b/w illustrations; tobacco odour, small price sticker residue to front free endpaper, light toning to endpapers and slightly throughout, light soiling to spine, slight rubbing to extremities, a very good copy, in an unclipped dust-jacket which is toned, lightly foxed and lightly rubbed to extremities, overall good.

London: Routledge & Kegan Paul, 1987. Reprint, 8vo,pp.,x,597, green hardcover, gilt, b/w frontispiece; front and rear endpapers very lightly spotted, light toning to edges of text block and edges of margins, light tobacco odour, o/w a very good copy in a very good unclipped dust-jacket which is toned to edges and lightly worn

London: Routledge & Kegan Paul, 1981. Reprint, 8vo.,pp.,xi,349, green hardcover, gilt; sticker residue to front endpaper light toning to edges, light spotting to head, very slight rubbing to extremities, tobacco odour, o/w a very good copy in an unclipped dust-jacket which is toned and lightly worn to edges, o/w good+

London: Routledge & Kegan Paul, 1981. Reprint, 8vo., pp.xii,609, green hardcover, gilt, b/w plates; tobacco odour, light toning and foxing to endpapers and edges, slightly toned throughout, very slight rubbing to extremities, a very good copy, in an unclipped dust-jacket which is toned, lightly soiled, and lightly rubbed, else good+.

London: Routledge & Kegan Paul, 1983. First edition, 8vo., pp.xxv,129, green hardcover, gilt; tobacco odour, light surface wear to front free endpaper, slightly toned throughout, lightly foxed and toned to edges, light toning to boards, very slight shelf-wear, a very good copy, in an unclipped dust-jacket which is toned and lightly rubbed to extremities, with small area of loss to rear, and has a small price sticker to inner flap, else good +.

London: Routledge & Kegan Paul, 1986. Reprint (second impression), 8vo., pp.735, green cloth, gilt, top edges green; tobacco odour, with yellowing to fore-edge, else very good. No dust-jacket.

London: Routledge & Kegan Paul, 1980. Reprint of the second edition, 8vo., pp.xi,451,(ix), green cloth, gilt, b/w frontispiece, 50 b/w plates and 28 colour plates; tobacco odour, light foxing to edges, else a very good copy, in an unclipped dust-jacket, which is sunned to the spine, with light chipping at head and foot of spine.

London: Routledge & Kegan Paul, 1986. Reprint, 8vo., pp.xxix,567, green cloth, gilt, b/w frontispiece, 64 b/w plates; tobacco odour, with toning to edges, else very good, in an unclipped dust-jacket, which has light chipping at head and foot of spine, else very good.

London: Routledge & Kegan Paul, 1979. 8vo., pp.x,263, green cloth, gilt; light foxing and toning to edges, tobacco odour, else very good, in an unclipped dust-jacket, which is sunned to the spine, with rubbing/light chipping at the head and tail of spine, else very good.

London: Routledge and Kegan Paul, 1970. Second impression of the second, revised and augmented edition, 8vo., pp.xiii,393, green cloth, gilt; light foxing to edges and endpapers, slight tobacco odour, a very good copy, in very good price-clipped dust-jacket, which is just lightly chipped at head and foot of spine.

London: Routledge and Kegan Paul, 1957. Fourth impression of the the second, revised and augmented edition, 8vo., pp.xiii,393,(ix), green cloth, gilt; tobacco odour, with yellowing to edges, else very good, in unclipped dust-jacket, which is toned, with light sunning to spine, and light chipping at extremities.

London: Routledge and Kegan Paul, 1957. Reprint, 8vo., pp.xiii,260,(ix), green cloth, gilt; tobacco odour, with yellowing to edges, else very good, in unclipped dust-jacket, which is toned, with light sunning to spine, and light chipping at extremities.

Cambridge: Cambridge University Press, 1948. 8vo., pp.vii,652, hardcover, silver lettering, b/w diagrams and illustrations; ownership autograph to front free endpaper, lightly toned, else internally clean, rubbed to extremities, else a very good copy in a good+ unclipped dust-jacket, with a few light marks, some rubbing and wear to spine, small area of loss to headband and chipping to tailband.

London: Routledge and Kegan Paul, 1959. First edition, small 8vo., pp.ix,232, black cloth, gilt, 7 b/w plates and 3 in-text figures; a very good copy, in a price-clipped dust-jacket, which is chipped to the head of tail of spine, with minimal loss, and has 3cm closed tear to head of fold over upper joint, small closed tear to rear upper margin, and some toning to the pale paper.

Oxford: Oxford University Press, 2015. 8vo.,pp. xvii,531, hardcover, silver lettering, b/w figures; a near-fine copy, in a near-fine unclipped pictorial dust-jacket.

Bristol: Adam Hilger, 1991. 8vo., pp. 184, black hardcover, gilt, b/w figures and illustrations; a very good indeed copy in a vg unclipped dust-jacket with some light surface scratches.

London: Martin Lawrence Limited, 1928. First edition, 8vo., pp.414, blue cloth, gilt, b/w frontispiece portrait with tissue guard; light foxing to prelims, light rubbing to extremities, a very good copy, in an edgeworn unclipped dust-jacket, which has 1cm loss at headband, chipping and closed tears to the edges, and staining/marking to the paper. Now in a protective cover.