Toronto: Musson, no date [1912]. Octavo, blue-grey pictorial cloth stamped in black and white, spine gilt lettered. pp (iii)-viii, (260). Diagrams and tables throughout. Tidy ink name and 1913 pencil date at front; spine very lightly darkened; slight cloth bubbling in top margin of rear cover; else a VG clean, tight and unworn copy. Made from sheets of the London: Routledge, edition. First ed. was privately issued by the author in 1905 in an edition of 553 copies.

Middlesbrough [England]: J. Gould / New York: F. Warne, no date [1908]. 16mo, blue cloth. 62, (2, ads) pp. Small ink name to front free endpaper, light rubbing to spine tips, else a fine copy. Note: lighter parcel, any default postage rate may be reduced.