- Author: Helmuth Nyborg, J. Philippe Rushton, Arthur Jensen, Heiner Rindermann, Richard Lynn, Gerhard Meisenberg
- Language: English
- Year: 2015
- Author: Helmuth Nyborg
- Language: English
- Year: 2003
- Author: Helmuth Nyborg (ed.)
- Language: English
- Year: 2013
- Author: Helmuth Nyborg (Eds.)
- Language: English
- Year: 2003
- Author: Helmuth Nyborg
- Language: English
- Year: 2003
- Author: Helmuth Nyborg
- Language: English
- Year: 2003