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    • Ricketts, Joseph V., author1
    • Ricord, Ph., 1800-18891
    • Ridlon, John, 1852-1936 author1
    • Rigby, Edward, 1747-18211
    • Rios, José Manuel de los, author1
    • Risley, Samuel D. (Samuel Doty), 1845-1920 author2
    • Robbins, Henry Alfred, 1839-19111
    • Robbins, Henry Alfred, 1839-1911 author6
    • Roberts, John B. (John Bingham), 1852-19241
    • Roberts, M. Josiah (Milton Josiah), 1851-1893 author1
    • Robinson, Beverley, 1844-1924 author1
    • Robinson, Samuel, 1783-18267
    • Robison, John A. (John Albert), 1855- author1
    • Rockwell, A. D. (Alphonso David), 1840-19251
    • Rodman, William L. (William Louis), 1858-1916, author2
    • Roe, John O.1
    • Rogers, J. Smyth (John Smyth), 1794-18511
    • Rogers, Lewis, 1812-18752
    • Rohé, George H. (George Henry), 1851-1899 author1
    • Roosevelt, J. West (James West), 1858-1896, author1
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