Pocket memorandum book, 1683-1702. A notebook arranged and indexed according to Locke’s method of commonplacing. Only the second page of the index (p. i) survives. Many of the notes have been crossed out, indicating that they had been copied into other notebooks or ledgers, including the journals. Locke apparently used this book occasionally over a span of about two decades.

ii, 166 167-180 pages. 130 × 75 mm. A single large quire, sewn into a vellum wrapper.