Clapp, Henry Jr.. "Letter to Walt Whitman." Letter to Walt Whitman. (1860-5-14).
WORKS ABOUT - Beach, Juliette
Allen, Gay Wilson. The Solitary Singer: A Critical Biography of Walt Whitman. New York: MacMillan. (1955-1-1).
Holloway, Emory. "Whitman Pursued." American Literature. (1955-3-1). 1-11.
Holloway, Emory. Free and Lonesome Heart: The Secret of Walt Whitman. New York: Vantage Press. (1960-1-1).
Miller, Edwin Haviland. "Walt Whitman and Ellen Eyre." American Literature. (1961-3-1). 64-68.
Lalor, Eugene. "Whitman among the New York Literary Bohemians: 1859–1862." Walt Whitman Review. (1979-1-1). 131-145.
Miller, Tice L.. Bohemians and Critics: American Theatre Criticism in the Nineteenth Century. Metuchen, NJ: The Scarecrow Press. (1981-1-1).
Zweig, Paul. Walt Whitman: The Making of the Poet. New York: Basic Books, Inc., Publishers. (1984-1-1).
Erkkila, Betsy. Whitman the Political Poet. New York: Oxford University Press. (1989-1-1).
Stansell, Christine. "Whitman at Pfaff's: Commercial Culture, Literary Life and New York Bohemia at Mid-Century." Walt Whitman Quarterly Review. (1993-1-1). 107-126.
Mullins, Maire. Beach, Juliette H. New York: Garland. (1998-1-1).
Loving, Jerome. Walt Whitman: The Song of Himself. Berkley Calif. : University of California Press. (1999-1-1).