Oxford: Basil Blackwell, 1937. First edition. lvi,192pp. §Percy Reprints series. Original holland-backed decorated paper boards, black lettering & decoration, top edge rough, others untrimmed. With folding frontispiece & large folding pedigree to rear (verso of latter with two discreet 1 inch repaired tears to folds in archival tape). A very good copy in a browned, edgeworn dustwrapper (latter in removable protective plastic sleeve).