COWPER, William (1731-1800). Poems [-The Task, A Poem, in Six Books], London, J. Johnson, 1782 [-1785], 2 vols., 8°, FIRST EDITION (occasional spotting and soiling), contemporary half calf and calf (rebacked, extremities rubbed, corners bumped). [Rothschild 681]; and 18 other vols. of later eighteenth-century verse, including works by Thomas Chatterton, John Hoole and Christopher Smart. (20)