* Marija Gimbutas, "The Civilization of the Goddess", HarperSanFrancisco, 1991, ISBN 0-06-250368-5 or ISBN 0-06-250337-5==External links==* The Horse in Mortuary Symbolism...* Mitochondrial DNA and the origins of the domestic horse* Widespread Origins of Domestic Horse Lineages* Factual archaeological description of Samara culture (in Russian)
* Marija Gimbutas, «The Civilization of the Goddess», HarperSanFrancisco, 1991, ISBN 0-06-250368-5 or ISBN 0-06-250337-5* The Horse in Mortuary Symbolism…* Mitochondrial DNA and the origins of the domestic horse* Widespread Origins of Domestic Horse Lineages