- Collection2021-001 - Boys' Prep albums 1962 - 1982
- Série001 - Boys' Prep albums 1962 - 1982 series 1
- Sous-série06 - Boys' Prep album 06 Choirs 1976 - 1982
- 1 en plus...
- Pièce02 - 1977 BP Junior Choir NIS
- Pièce03 - 1977 BP Senior Choir ST p082
- Pièce04 - 1978 BP Choir ST p103
- Pièce05 - 1980 BP Choir ST p102
- Pièce06 - 1981 BP Choir ST p105
- Pièce07 - 1982 BP Choir ST p111