Marie Curie's instructions regarding a proposed gift of a wedding dress for her marriage to Pierre in July 1895, as quoted in Eve Curie Labouisse "Madame Curie: A Biography" translated by Vincent Sheean (p. 137), 1937.
Marie Curie's letter to Eve Curie Labouisse (July 1929), as quoted in Eve Curie Labouisse "Madame Curie: A Biography" translated by Vincent Sheean (p. 341), 1937.