LITERATURE CHINESE POTTERY AND PORCELAIN IN THE DAVID COLLECTION, Hobson, R L, London: The Stourton Press, 1934, from a limited edition of 650 copies, of which this is number 186, 180 mostly coloured plates, original blue Chinese silk binding and celadon-green folding case. Signed by Leslie Holt, publication supervisor, reading "Dear Claude, you will be interested to know that S + D copper was used for all the plates in this book. Your sincerely, Leslie Holt" and dated 22.10.34.