- Author: Flemming Hansen, Sverre Riis Christensen
- Language: English
- Year: 2007
- Author: Flemming Hansen, Lars Bech Christensen
- Language: English
- Year: 2003
- Author: Tine Hansen-Turton, Susan Sherman, Vernice Ferguson
- Language: English
- Year: 2007
- Author: Gary Neal Hansen
- Language: English
- Year: 2012
- Author: Leon Rosenstein, Bruce Hansen, Robert L. Dressler, Tom Sheehan, John Atwood, Peter H. Raven
- Language: English
- Year: 2011
- Author: Caroline I. Hansen, Joshua A. Wood
- Language: English
- Year: 2011
- Author: Peter W. Hansen
- Language: English
- Year: 2011
- Author: Megan Hansen
- Language: English
- Year: 2023
- Author: Tine Hansen-Turton, Richard J. Cohen, Nicholas D. Torres
- Language: English
- Year: 2014