Robert E. Humphrey, Children of Fantasy: The First Rebels of Greenwich Village (New York: John Wiley and Sons, 1978) Max Eastman, Love and Revolution: My Journey Through an Epoch, (New York: Random House, 1964): 79–81.
בדיקה אחרונה ב-18 באוקטובר 2011.  Robert E. Humphrey, Children of Fantasy: The First Rebels of Greenwich Village (New York: John Wiley and Sons, 1978) Max Eastman, Love and Revolution: My Journey Through an Epoch, (New York: Random House, 1964): 79–81.