Oliphant, E.P., [164]

Omahas, [103], [108]

O’Melvany, John, [194]

O’Neal, John F. (Capt.), [143]

Oneidas, [235]

Onstott, John (Capt.), [190]

Order No. 12, [126]

Order No. 13, [126]

Order No. 14, [126]

Order No. 15, [128]