strict inquiry

References in classic literature ?
And I believe, upon a strict inquiry, those quarrels might be shown as ill-grounded among us as they are among that people.
However, he said that a strict inquiry would be carried and he would fire whoever might be involved in the negligence.
Lahore, Mar 2(ANI): Pakistan Cricket Board (PCB) Chairman Ijaz Butt has called for a strict inquiry into Australian spin legend Shane Warne's prediction of tie about the India-England World Cup match.