The full inquests will be heard in May at the earliest, with families hoping at last to discover the truth.
At Stephen's full inquest - four years after his death - the five friends refused to answer questions.
An full inquest will be held later this year, but prison reformers are calling for a full judicial inquiry.
Lady Butler-Sloss said she hoped to schedule the full inquest for the beginning of May at the latest.
There needs to be a full inquest, in front of a jury of ordinary men and women, to find out the truth.
Further adjournments were made on 11 December and 10 March 1975, before a full inquest was scheduled for 16 June.
Thurston was concerned about holding a full inquest before a trial had been held.
A full public inquest into the bombings was subsequently begun from October 2010.
Otherwise, the coroner holds a full inquest.
A full inquest into his death has never been held.