Walter, T. 1696-1725, The grounds and rules of musick explained... (Continued.) Same, (Mecom, 1760) (1), iii, (1), 25 pp. 1-23 ff., 26-46 pp. (18) pp. of manuscript. 32°, obl, **G,38.23 Folios 21, 24 & 25 are missing.