Tham khảo Batz-sur-Mer

  1. 1 2 Arthur Eperon, The Loire Valley‎ (1989), p. 195
  2. ↑ Peter M. Nahm, Baedeker's Loire (1985), p. 42
  3. ↑ The Bulletin of the Cleveland Museum of Art, Volume 62‎ (1975), p. 21
  4. ↑ Philippe Barbour, Bretagne, 3rd (2005), p. 426
  5. ↑ Un drame au bord de la mer
  6. ↑ Loren R. Graham, Jean-Michel Kantor, Naming infinity: a true story of religious mysticism and mathematical creativity, p. 177