- Author: Raymond De Roover
- Language: English
- Year: 1948
- Author: Raymond de Roover
- Language: English
- Year: 1963
- Author: Raymond De Roover
- Language: French
- Year: 1971
- Author: Raymond De Roover
- Language: French
- Year: 1971
- Author: Raymond de Roover
- Language: French
- Year: 1971
- Author: Raymond De Roover
- Language: French
- Year: 1995
- Author: Raymond de Roover
- Language: English
- Year: 1967
- Author: Raymond de Roover
- Language: English
- Year: 1999