Aderman, Ralph M. Critical Essays on Washington Irving. Boston: G. K. Hall & Co., 1990, 276 p.
Covering a period of 180 years, contains a broad selection of critical essays on the work of Washington Irving.
Adkins, Nelson Frederick. Fitz-Greene Halleck: An Early Knickerbocker Wit and Poet. New Haven: Yale University Press, 1930, 461 p.
A critical biography of one of the most popular and respected members of the Knickerbockers; it is also an excellent study of the whole of Knickerbocker literature and of the literary tradition in which Halleck wrote.
(The entire section is 807 words.)