1. How do literary primary sources …. MELVILLE, HERMAN. Reproduction of photograph, frontispiece to Journal Up the Straits. Ca. 1860MELVILLE, HERMAN. Reproduction of photograph, frontispiece to Journal Up the Straits. Ca. 1860. Library of Congress, Rare Book and Special Collections Division. Rare Book and Special Collections Division WHEATLEY, PHYLLIS. Engraving after Scipio Moorhead; WHEATLEY, PHYLLIS. Engraving after Scipio Moorhead; frontispiece to Wheatley, Poems on Various Subjects... (London, 1773). Library of Congress, Rare Book and Special Collections Division.

2. CHALLENGE Drafts of Langston Hughes's poem "Ballad of Booker T.," 30 May-1 June 1941Drafts of Langston Hughes's poem "Ballad of Booker T.," 30 May-1 June 1941. (Langston Hughes Collection) Library of Congress, Manuscript Division. Manuscript Division.

3. and INSPIRE “Whitman’s Cardboard Butterfly”, “Whitman’s Cardboard Butterfly”, Library of Congress, Manuscript Division, Thomas Biggs Harned Walt Whitman Collection.Manuscript Division

4. our MEMORY, Letter and corrected reprint of Walt Whitman's "O Captain, My Captain" with comments by authorLetter and corrected reprint of Walt Whitman's "O Captain, My Captain" with comments by author, 9 February 1888. Library of Congress, Manuscript Division. Manuscript Division.

5. REASON, Samuel Kirkham English Grammar in Familiar Lectures. Cincinnati: N. & G. Guilford, 1828, Library of Congress, Rare Book & Special Collections Division English Grammar in Familiar Lectures.Rare Book & Special Collections Division

6. and IMAGINATION? The John Steinbeck Map of America The John Steinbeck Map of America Jim Wolnick, Illustrator, Los Angeles: Aaron Blake, 1986 Courtesy of Molly Maguire and Aaron Silverman, Library of Congress, Geography and Map Division. Geography and Map Division