Mark Galliott (June 2006). "France – The Dordogne"(PDF). Tour Report. Naturetrek Wildlife Holidays. Archived from the original(PDF) on 2007-09-29. Retrieved 2011-10-18.
Mark Galliott (June 2006). "France – The Dordogne"(PDF). Tour Report. Naturetrek Wildlife Holidays. Archived from the original(PDF) on 2007-09-29. Retrieved 2011-10-18.