- Author: Sigmund Karl
- Language: English
- Year: 2017
- Author: Sheldrake Rupert
- Language: English
- Year: 2012
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- Language: English
- Year: 2000
- Author: Bohm David, Peat F. David
- Language: English
- Year: 2011
- Author: Arbesman Samuel, Mathematik
- Language: English
- Year: 2013
- Author: Gribbin John R
- Language: English
- Year: 2005
- Author: Rupert Sheldrake
- Language: English
- Year: 2012
- Author: Fangen Katrine, Sellerberg Ann-Mari
- Language: Swedish
- Year: 2011
- Author: Ulf Jakobsson
- Language: Swedish
- Year: 2011
