The iconic engraved portrait of 37-year-old Whitman in the 1855 edition of Leaves of Grass.
The cover of the 1883 edition of Whitman's famous book.
Whitman in an 1887 photographic portrait by George C. Cox.
The poet at home in Camden the year before his death.
An image of Emerson's famous letter of congratulations to Whitman.
A Civil War-era photograph of Whitman and Peter Doyle, one of his lovers.
Whitman's home on Mickle Street in Camden, New Jersey.
Walt Whitman's grave at Harleigh Cemetery in Camden.