Today, they are the largest single source of historical material about visual art in the country.

The data could be in the records somewhere, but a lot of the historical material has been lost.

This show is strong on introductions, especially of historical material.

Research and historical materials are important, but they serve the goal of telling a gripping story.

Rather, she seeks to use historical material as the basis for new works.

"The public interest favors the preservation of historical material," the judge said.

No other historical materials recording about her life are existing.

There are nearly 600 cups and other historical materials in the museum.

We found that some last only 10 to 30 years and that's not enough for archives of historical material.

According to his father's last wish, he offered the historical materials without charge.