The castle is known from documentary sources in 1196.

Other examples are recorded in documentary sources but though the books survive the covers do not.

It was based on documentary sources and had material supporting the historical claims of each side.

Yet these very professionals will be alienated by an absence of notes to documentary sources.

In any case he had far fewer documentary sources for matters not involving Britain.

It is the documentary sources that provide the heart of the exercise.

Group presentations offer another approach for active learning using documentary sources.

Social structure is obscure in the early part of the period, for which there are few documentary sources.

A number of documentary sources supplement the knowledge derived from the site's physical fabric.

However, no documentary sources have been found substantiating these claims.