North Fork of the Canadian (Okla.): [173], footnote

North Fork Village (Okla.): [173], footnote

Northern Sub-District of Texas: [286], [302]

Ock-tah-har-sas Harjo: [228], footnote; elected principal chief by refugee Creeks, [89]; addresses "Our Father," [233]

Office of Indian Affairs: prompt action needed, [47], footnote; approval sought, [52]; appeal to War Department for restoration of military force in Indian Territory, [60]; Carruth, special agent of, accompanies First Indian Expedition, [122] and footnote; agents ignored by military men of First Indian Expedition, [133] and footnote; profiteering among employees, [208]; Wattles sent out by, [226]; not yet prepared to treat with John Ross for retrocession of Neutral Lands, [231]

Oh-Chen-Yah-Hoe-Lah: [69], footnote

Oke-Tah-hah-shah-haw Choe: talk, [66], footnote

Olathe (Kans.): [205]

Old George: [203]

Oldham, Williamson S: [157] and footnote, [176], footnote