Matilda Joslyn Gage (1998). “Woman, church and state: a historical account of the status of woman through the Christian ages, with reminiscences of the matriarchate”, Sky Carrier Pr
Ralph Waldo Emerson, Robert Ernest Spiller, Alfred Riggs Ferguson, Joseph Slater, Jean Ferguson Carr (1971). “The Collected Works of Ralph Waldo Emerson: Nature, addresses, and lectures”, p.128, Harvard University Press