- Author: Bjørnar Olsen, Michael Shanks, Timothy Webmoor, Christopher Witmore
- Language: English
- Year: 2012
- Author: Richard Olsen, Harriet Clarke
- Language: English
- Year: 2003
- Author: Rodney D. Olsen
- Language: English
- Year: 2020
- Author: Jon Berndt Olsen
- Language: English
- Year: 2015
- Author: William C. Olsen (editor), Thomas J. Csordas (editor)
- Language: English
- Year: 2019
- Author: Niklas Olsen
- Language: English
- Year: 2012
- Author: George H. Olsen
- Language: English
- Year: 1987
- Author: Anne Inga Hilsen, Dorothy Sutherland Olsen
- Language: English
- Year: 2021
- Author: Jeffery W. Olsen
- Language: English
- Year: 2021
- Author: Thomas G. Olsen
- Language: English
- Year: 2020