Related Clues:

• Garth Brooks's birthplace
• Toothpaste-approving grp.
• Nabokov heroine
• Oral Roberts University site
• Writer Bagnold
• City south of Bartlesville
• Major oil hub
• Org. quoted on toothpaste tubes
• Drillers' org.
• Arthurian lady
• Site of Vance Air Force Base
• Grp. with a lot of pull?
• Lady in Arthurian legend
• Town that's home to Ohio Northern University
• Chisholm Trail town