Opium trade -- India -- History : Anglo-European science and the rhetoric of empire : malaria, opium, and British rule in India, 1756-1895 / Paul C. Winther
Opiumkrieg : The Opium War, 1840-1842 : Barbarians in the Celestial Empire in the Early Part of the Nineteenth Century and the War by which They Forced Her Gates Ajar
OPL (Computer program language) : Decision optimization with IBM ILOG CPLEX Optimization Studio : a hands-on introduction to modeling with the Optimization Programming Language (OPL) / Stefan Nickel, Claudius Steinhardt, Hans Schlenker, Wolfgang Burkart
Oplossingen (chemie) : Polymer thermodynamics : liquid polymer-containing mixtures / volume editors, Sabine Enders, Bernhard A. Wolf ; with contributions by S.H. Anastasiadis [and others]
Opoid abuse -- Treatment : National clinical guidelines and procedures for the use of buprenorphine in the treatment of opioid dependence : abbreviated version / authors N. Lintzeris [and others]
oposición política. : Honduras, state for sale / [written by Richard Lappper and James Painter]
1985
1
Oposición, Teoría de la : Around and beyond the square of opposition / Jean-Yves Béziau, Dale Jacquette, editors
2012
1
Oposición, Teoría de la -- Congresos : The exoteric square of opposition : the sixth World Congress on the Square of Opposition / Jean-Yves Beziau, Ioannis Vandoulakis, editors
2022
1
Opossiums -- Evolution : Possums and opossums : studies in evolution / edited by Michael Archer
New World marsupials of the family Didelphidae. Opossums are omnivorous, largely nocturnal and arboreal MAMMALS, grow to about three feet in length, including the scaly prehensile tail, and have an abdominal pouch in which the young are carried at birth