1. Almgren, O. (1926–27). Hällristningarochkultbruk. Stockholm.
2. Althusser, L. (1971). Ideology and ideolgiocal state apparatuses. In L. Althusser (Ed.), Lenin and philosophy and other essays (pp. 127–186). New Books: London.
3. Barthes, R. (1973). Mythologies. London: Paladin.
4. Cowen, J. D. (1967). The Hallstatt sword of bronze: On the continent and in Britain. Proceedings of the Prehistoric Society, 33, 377–454.
5. Crumlin-Pedersen, O. (2003). The Hjortspring boat in a ship-archaeological context. In O. Crumlin-Pedersen & A. Trakadas (Eds.), Hjortspring a pre-roman iron-age warship in context (Vol. 5). Roskilde: The Viking Ship Museum in Roskilde.