Harpo Speaks! (Limelight) by Harpo Marx | Goodreads
Harpo Speaks... About New York : Marx, Harpo, Doctorow, E. L., Barber, Rowland: Amazon.fr: Livres
Harpo Speaks! (Hardcover) - Walmart.com
Libro.fm | Son of Harpo Speaks! Audiobook
Harpo speaks-- about New York; by Harpo Marx with Rowland Barber ; with an introduction by E.L. Doctorow by Rowland Harpo ; Barber - First printing (stated) - 2001 - from Calvello Books (SKU: 92825)
HARPO SPEAKS! By HARPO MARX with Rowland Barber 1974 | rose-city-books