0000875357-01-500005 10-Q 1 20010331 20010515 BOK FINANCIAL CORP ET AL 0000875357 6021 731373454 OK 1231 10-Q 34 000-19341 1638043 BANK OF OKLAHOMA TOWER PO BOX 2300 TULSA OK 74192 9185886416 BANK OF OKLAHOMA TOWER P O BOX 2300 TULSA OK 74192 10-Q 1 fm10q033101.txt BOKF 3/31/01 10-Q