0001248915-08-000166 3 1 20071018 20080514 20080514 BOK FINANCIAL CORP ET AL 0000875357 6021 731373454 OK 1231 BANK OF OKLAHOMA TOWER PO BOX 2300 TULSA OK 74192 9185953025 BANK OF OKLAHOMA TOWER P O BOX 2300 TULSA OK 74192 RUHL DOUGLAS L 0001019480 3 34 000-19341 08829719 4052316937 LIBERTY BANCORP INC PO BOX 25848 OKLAHOMA CITY OK 73125 3 1 primary_doc.xml PRIMARY DOCUMENT