Orléans <1988> : Programming languages implementation and logic programming : international workshop, PLILP '88, Orléans, France, May 16-18, 1988 : proceedings / P. Deransart, B. Lorho, J. Małuszyński, eds
Orleton, Adam de, -1345. : Registrum Ade de Orleton, episcopi herefordensis, A.D. MCCCXVII-MCCCXXVII Transcribed and edited, with an introduction, by the Rev. A.T. Bannister
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Orlev, Uri, 1931- : Children's literature review. Volume 191 / Lawrence J. Trudeau, editor
Orlove, Benjamin S. : In my father's study / Ben Orlove ; foreword by Albert E. Stone
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1995
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Orlovo Site (Bulgaria) : From surface collection to prehistoric lifeways : making sense of the multi-period site of Orlovo, south east Bulgaria / edited by John Chapman ; with contributions by Bisserka Gaydarska [and others]