Exactly when this first happened is still a topic of archeological and historical investigation.

A historical investigation into why some societies succeed while others fail.

In his historical investigations he found truth to be something that was itself a part of, or embedded within, a given power structure.

Any sound historical investigation would have to do so until it proved unarguably that the three were one.

This remains a question to be resolved by historical and scientific investigation.

Precisely what stirred this faith is beyond historical investigation, he contends, and really doesn't matter.

After a closer historical investigation, this meeting would have been impossible to take place.

It was the first historical investigation of German totalitarianism to appear on television.

I think there should be a certain amount of humility in the historical investigation to say, 'You know what?

Strauss was a pioneer in the historical investigation of Jesus.