A Night at the OperaGroucho Marx, Chico Marx, Harpo Marx, Margaret Dumont, Kitty Carlisle, Allan Jones, Walter Woolf King, Sigfried Rumann, Robert Emmett O'Connor, Edward · First published 2009Open the Tome
A Night in CasablancaGroucho Marx, Harpo Marx, Chico Marx, Charles Drake, Lois Collier, Sig Ruman, Lisette Verea, Lewis L. Russell, Dan Seymour, Frederick Giermann · First published 2004Open the Tome
