English: Responding to issues of self-harm and thoughts of suicide in young people: Guidance for teachers, professionals, volunteers and youth services

Welsh: Ymateb i faterion hunan-niweidio a theimladau hunanladdol ymhlith pobl ifanc: Canllawiau i athrawon, gweithwyr proffesiynol, gwirfoddolwyr a gwasanaethau ieuenctid