Even today, it is a good source of information, mainly on historical subjects.

He is often seen in the media talking about historical subjects.

I had a great many books upon subjects magical and historical.

His literary works are for the most part on historical subjects.

Under this master he became a good painter of historical subjects.

During this period, historical and social subjects became the main focus of the his creative research.

During that period, his work took on a new emphasis in historical subjects.

There is normally more than one way of writing about a particular historical subject or period.

Carpenter had been involved in various historical subjects and projects.

He also wrote a series of pieces on historical and literary subjects.