Herford's The Age of Wordsworth.
Stedman's Poets of America. (Drake, Halleck, Bryant.)
The Croakers, pp. 255-385, in The Poetical Writings of Fitz-Greene Halleck, edited by James Grant Wilson.
Wilson's Fitz-Greene Halleck's Life and Letters.
Irving's, Pierre M.: Life and Letters of Washington Irving, 4 vols.
Warner's The Work of Washington Irving (60 pages, excellent).
Warner's Washington Irving (304 pages, American Men of Letters).
Payne's Leading American Essayists, pp. 43-134. (Irving.)
Canby's The Short Story in English, pp. 218-226. (Irving.)
Lounsbury's James Fenimore Cooper. (American Men of Letters; excellent.)