North, Captain Luther H., [20], [47], [212], [398].

North, Major Frank, [20], [47], [212], [216], [322], [323], [398].

Notes on the Pawnees, [211].

Omahas, [230], [273], [305].

O´re-ka-rahr, [182].

Osages, [47], [49], [307].

Osborne, Major, [405].

Otoes, [273], [305], [392].

Pack ponies, [279], [281].

Pa-da´-ni, [240].