For historical purposes, however, it should be used with great caution.

The Pentagon said the pictures had been taken for historical purposes.

This served a historical purpose of blocking women from taking part in economic or political events.

It can be a copy used for historical purposes, such as being placed in a museum.

"But I think it's a wonderful thing they're doing for historical purposes," he added.

Some of its parts will be retained for historical purposes.

This site will continue to be available for historical and informative purposes.

But his work has a historical purpose as well.

I participated in the events of that month and have recently done extensive research on the period for my own historical purposes.

Two of the original buildings were preserved for historical purposes.