The Letters of Horace Walpole. Edited by Mrs. Paget Toynbee, Oxford, 1903-05, vol. 3, p. 166.

Weigel, R. Kunstlagercatalog. Leipzig, 1837-1866, vol. 2, pp. 103, 105; vol. 4, p. 52.

Wick, Peter A. Suite of Six Color Woodcuts of Heroic Landscapes by John Baptist Jackson after Marco Ricci. 1955, 12 pp.

Manuscript read at the XVIII Congres International d’Histoire de L’Art, Venice, Sept. 12-18, 1955. The first good, scholarly study of the Ricci prints. Traces Jackson’s career briefly but accurately.

Y. D. Historical Remarks on Cutting in Wood. The Gentleman’s Magazine, February 1752, vol. 22, pp. 78-79.

The first published statement of Jackson’s contribution as a woodcutter.

Zanetti, A. M. Della pittura veneziana. Venice, 1792. (1st ed. 1771), vol. 2, pp. 689, 716. Zanetti was the librarian of St. Mark’s and the nephew of the famous chiaroscurist.

Zani, D. P. Enciclopedia metodica delle belle arti. Parma,

1817-24, vol. 11, p. 47.