BLAKE, William -- SALZMANN, Christian G. & Mary WOLLSTONECRAFT (translator) Elements of Morality for the Use of Children, London: John Sharpe, [? 1815], 2 vols., 12°, 50 engraved plates including the frontispiece, 17 attributed to Blake (some soiling and light spotting, some pages repaired, one plate rebacked), contemporary half morocco (corners bumped, joints rubbed) [Bentley 492E] -- GAY, John. Fables, London: John Stockdale, 1793 [but 1811], 2 vols. in one, 8°, second edition, 2 engraved titles and 69 plates, 12 by Blake (loss of small part of text on B1, some light spotting), modern morocco-backed boards. [Bentley 460B]. (3)
The first work appears to lack a numbered plate 40, but has the 50 plates called for by the title when the frontispiece is included.