Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv -- History -- Sources : Enemy archives : Soviet counterinsurgency operations and the Ukrainian nationalist movement : selections from the Secret Police Archives / edited by Volodymyr Viatrovych and Lubomyr Luciuk ; translated by Marta Daria Olynyk
Oribasius. Synagōgai iatrikai. Book 1 : Dieting for an emperor : a translation of books 1 and 4 of Oribasius' Medical compilations with an introduction and commentary / by Mark Grant
1997
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Oribasius. Synagōgai iatrikai. Book 4 : Dieting for an emperor : a translation of books 1 and 4 of Oribasius' Medical compilations with an introduction and commentary / by Mark Grant
Oribatidae -- Geographical distribution. : A review of the world distribution of oribatid mites (Acari:Cryptostigmata) in relation to continental drift / by Marie Hammer and John A. Wallwork
Oriel College (University of Oxford) / http://id.loc.gov/authorities/names/nr93048827 : Reminiscences chiefly of Oriel College and the Oxford Movement / by the Rev. T. Mozley