Okell Stephen : Utilising national occupational standards as a complement to nursing curricula : a collaborative project for the NHS Executive : executive summary / [by]Les Storey, Stephen O'Kell, Malcolm Day].
Okellos Ho Leukanos 6th Cent B C : Vniversi natura. 2 parts. By Ocellus Lucanus. Translated from the Greek into Latin, ed. and ann. by C.E. Vizzanius / Ōkellos, ho Leukanos, active 6th century B.C.
Okellos Ho Leukanos Active 6th Century B C : Peri tēs tou pantos physeos Okellos o Leukanos philosophos. Ocellus Lucanus philosophus De vniuersi natura. Textum è Græco in Latinum transtulit, ... emendauit, paraphrasi, & commentario illustrauit Carolus Emmanuel Vizzanius Bononiensis. Pars physica / Ōkellos, ho Leukanos, active 6th century B.C.
Okko Marhatta : On the development of the first salpausselka, west of Lahti.
Okkonem O : L'art finlandais aux XIXe et XXe siecles.
Oklahoma : The Oklahoma state constitution [electronic resource] / Danny M. Adkison and Lisa McNair Palmer.
Oklahoma Cheyenne Arapaho Tribes Of : Constitution and by-laws of the Cheyenne-Arapaho Tribes of Oklahoma : ratified September 18, 1937 / Cheyenne-Arapaho Tribes of Oklahoma ... [et. al.].
Oklahoma Choctaw Nation Of : Franklin Pierce, President of the United States of America, to all and singular to whom these presents shall come, greeting : whereas a treaty was made and concluded at Doaksville, near Fort Towson, Choctaw Nation, on the fourth day of November, eighteen a / Choctaw Nation of Oklahoma ... [et. al.].
Oklahoma City Museum Of Art : Victorian radicals : from the Pre-Raphaelites to the arts & crafts movement / Martin Ellis, Victoria Osborne, Tim Barringer.