According to the medieval sources, he was an author of several famous religious works.

The several medieval sources available do not always agree on the timing and other issues.

The identity of her husband is not revealed by the medieval sources.

However, it is an important point that medieval sources have to be understood according to the environment they were written in.

There is no direct mention of the Council in medieval sources.

Some medieval sources, however, stated that he was forced out of office by the king.

The fine rolls are the first medieval source to be treated in this way.

There are several references to the cathedral in medieval sources.

He was an author of critical studies of medieval sources.

However, this is only a conjecture noted by medieval sources.