I say in all probability, for I myself do not know and now cannot satisfy myself upon that point, though I turned from the Karamojo Mountains to investigate its source.
"In Desert and Wilderness"
Henryk Sienkiewicz
No man would believe the letters I've had to read and answer, the documents to examine, the deeds to compare, the papers to investigate-" "Is the business settled, then-or in train of settlement?"
"The Martins Of Cro' Martin, Vol. II (of II)"
Charles James Lever
After she had eaten her breakfast in the morning she went out to investigate.
"Lonesome Land"
B. M. Bower