- Author: Charles Howard McIlwain
- Language: English
- Year: 1923
- Author: Mario Einaudi, Charles Howard McIlwain
- Language: English
- Year: 1938
- Author: Charles Howard McIlwain
- Language: English
- Year: 2021
- Author: Charles Howard McIlwain
- Language: English
- Year: 2005
- Author: Charles Howard McIlwain
- Language: English
- Year: 2010