Ralph Waldo Emerson -- Henry Wadsworth Longfellow -- Washington Irving -- William Hickling Prescott -- Nathaniel Hawthorne and his family -- Oliver Wendell Holmes -- James Russell Lowell -- Thomas Wentworth Higginson -- Richard Henry Stoddard -- Edmund Clarence Stedman -- William Dean Howells -- Thomas Bailey Aldrich -- Richard Watson Gilder -- Will Carleton -- George W. Cable -- Samuel Langhorne Clemens (Mark Twain) -- Charles Dudley Warner.