Helms, Alan. "Whitman's 'Live Oak, with Moss'." The Continuing Presence of Walt Whitman: The Life After the Life . Ed. Robert K. Martin. Iowa City: University of Iowa Press, 1992. 185-205.
An electronic version of this text is available at The Walt Whitman Archive, an electronic scholarly edition of works by Walt Whitman. It is free and open to the public. Viewing the electronic version of this text will lead you to an external website. Please report dead links to digitlib@lehigh.edu.