Whitman, Walt, 1819-1892. Leaves of grass [electronic resource] / by Walt Whitman. - Salt Lake City : Project Gutenberg Literary Archive Foundation, 2007. - 1 online resource : digital, multiple file formats. Freely available. Human-read audiobook. Mode of access: World Wide Web. Applicable license: http://www.gutenberg.org/license Subjects--Topical Terms: Poetry.Audiobooks.