- Author: Erin H. Fouberg, Alexander B. Murphy, H.J. de Blij
- Language: English
- Author: Alexander B. Murphy Terry G. Jordan-Bychkov Bella Bychkova Jordan
- Language: English
- Year: 2020
- Author: Alexander B. Murphy
- Language: Spanish
- Year: 2020
- Author: Erin H. Fouberg Alexander B. Murphy Harm J. de Blij
- Language: English
- Year: 2015
- Author: Alexander B Murphy
- Language: English
- Year: 2018
- Author: Alexander B. Murphy & Terry G. Jordan-Bychkov & Bella Bychkova Jordan
- Language: English
- Year: 2014
- Author: Erin H. Fouberg Alexander B. Murphy Harm J. de Blij
- Language: English
- Year: 2012
- Author: Erin H. Fouberg Alexander B. Murphy H. J. de Blij
- Language: English
- Year: 2009