I. PROSE WRITINGS OF AMERICA. By Rufus Wilmot Griswold. (Philadelphia, 1847: Carey & Hart.)

II. BRIEF BIOGRAPHIES. By Samuel Smiles. (Boston, 1861: Ticknor & Fields.)

III. AUDUBON, THE NATURALIST OF THE NEW WORLD: His ADVENTURES AND DISCOVERIES. By Mrs. Horace Roscoe Stebbing St. John. (Revised, with additions. Boston, 1864: Crosby & Nichols. New York, 1875: The World Publishing House.)

IV. THE LIFE AND ADVENTURES OF JOHN JAMES AUDUBON, THE NATURALIST. Edited, from materials supplied by his widow, by Robert Buchanan. (London, 1868: S. Low, son & Marston.)

V. THE LIFE OF JOHN JAMES AUDUBON. Edited by his widow, with an Introduction by James Grant Wilson. (New York, 1869: Putnams.)

VI. FAMOUS MEN OF SCIENCE. By Sarah Knowles Bolton. (Boston, 1889: T. Y. Crowell & Co.)

VII. AUDUBON AND HIS JOURNALS. By Maria R. Audubon. With Zoological and Other Notes by Elliott Coues. (New York, 1897: Charles Scribner's Sons. Two volumes.) This is by far the most interesting and authentic of any of the sources of information.