List of authors, sorted alphabetically:

• I. E. M. (1 books)
  
• Iarraidh, Gnathai Gan (1 books)
  
• Ibsen, Henrik, 1828-1906 (18 books)
  
• Iffland, August Wilhelm, 1759-1814 (2 books)
  
• Ignatius, of Loyola, Saint, 1491-1556 (1 books)
  
• Iliowizi, Henry (1 books)
  
• Illica, Luigi, 1857-1919 (1 books)
  
• Imbert de Saint-Amand, Arthur Léon, baron, 1834-1900 (2 books)
  
• Inchbald, Mrs., 1753-1821 (3 books)
  
• Inchfawn, Fay, 1880- (1 books)
  
• Indriði Einarsson, 1851-1939 (1 books)
  
• Ing, Dean Charles (1 books)
  
• Inge, William Ralph, 1860-1954 (3 books)
  
• Ingelow, Jean, 1820-1897 (5 books)
  
• Ingemann, Bernhard Severin, 1789-1862 (4 books)
  
• Ingersoll, Ernest (3 books)
  
• Ingersoll, Robert Green, 1833-1899 (31 books)
  
• Ingle, Edward, 1861-1924 (1 books)
  
• Inglis, W. H. (1 books)
  
• Ingraham, Jonathon Holt (3 books)
  
• Ingraham, Joseph Holt, 1809-1860 (1 books)
  
• Ingraham, Prentiss, 1843-1904 (2 books)
  
• Ingram, A. F. Winnington (1 books)
  
• Ingram, Eleanor M. (Eleanor Marie), 1886-1921 (5 books)
  
• Ingram, John Henry, 1842-1916 (1 books)
  
• Inman, Henry, 1837-1899 (1 books)
  
• Inman, Thomas (2 books)
  
• Innes, A. Taylor (1 books)
  
• Inostrantzev, Konstantin Aleksandrovich, 1876-1941 (1 books)
  
• Intercollegiate Peace Association (1 books)
  
• Interior, United States Department of the (1 books)
  
• Interior, United States Dept. of the (2 books)
  
• Ionides, Cyril (1 books)
  
• Iqbal, Muhammad (1 books)
  
• Iraq Study Group (U.S.) (1 books)
  
• Irby, Richard, 1825-1902 (1 books)
  
• Ireland, Mary E. (Mary Eliza), 1834-1927 (1 books)
  
• Iriarte, Tomás de, 1750-1791 (1 books)
  
• Ironside, John (1 books)
  
• Irvine, Alexander, 1863-1941 (1 books)
  
• Irvine, Leigh H. (1 books)
  
• Irving, Fannie Belle (1 books)
  
• Irving, Henry Brodribb, 1870-1919 (2 books)
  
• Irving, Washington, 1783-1859 (13 books)
  
• Irwin, Richard B. (Richard Biddle), 1839-1892 (1 books)
  
• Irwin, Wallace, 1876-1959 (2 books)
  
• Irwin, Will, 1873-1948 (3 books)
  
• Isaacs, Judd (1 books)
  
• Isaacson, Lauren Ann (1 books)
  
• Isham, Frederic Stewart, 1866-1922 (5 books)
  
• Isle, June (1 books)
  
• Israels, Josef (1 books)
  
• Ives, Charles, 1874-1954 (1 books)
  
• Ivimey, John W. (John William), 1868- (1 books)
  
• Iyenaga, Toyokichi (2 books)