Mudiad derbyn
- Enw'r mudiad
- Howard League for Penal Reform (Incorporating The Howard Centre For Penology)
- Math
- Registered Charity and Not-for-profit Company
- Rhif elusen
- 251926
- Rhif cwmni
- 898514
- Lleoliad
- De Beauvoir, Hackney South and Shoreditch, Hackney