- Author: Drummond David, Blackstone Audio Inc., Buffett Howard G
- Language: English
- Year: 2014
- Author: Drummond David, Blackstone Audio Inc., Buffett Howard G
- Language: English
- Year: 2013
- Author: Buffett Howard W.. Eimicke William B
- Language: English
- Year: 2020
- Author: Buffett Howard W., Eimicke William B
- Language: English
- Year: 2018
- Author: Buffett Howard G
- Language: English
- Year: 2019