Which preposition to use with pickersgill

at Occurrences 1%

Pickersgill at once seized everything of value he could lay his hands on, signifying at the same time that all should be returned when the bag and its contents were produced.

for Occurrences 1%

Marrying Bellevue Pickersgill for her money, he married his master, and was endowed only with the privilege of settling her taxes.

with Occurrences 1%

Sort of thing seemed likely to suit me; heard all MATTHEWS' speeches; tried to follow CUNNINGHAME GRAHAM; courted CONYBEARE'S company, and pursued PICKERSGILL with inquiries.

Which preposition to use with  pickersgill