sentences:  Whitman made constant revisions to Leaves of Grass throughout its publications and in doing so transferred the poem to different sections in the various collections.In the 1867 edition the poem had its own page and was not under a topic poem heading.The poem could be found under the section heading of "Marches Now The War is Over" in the 1871-1872 edition, and in the 1881-1882 edition, which could and could not be in some opinions considered Whitman's last, many scholars will argue that 1876, 1888–89, and 1891-92 (the "deathbed edition") were the final editions, the poem could be found under the heading "Birds of Passage".