Knowledge Representation and Defeasible Reasoning
Henry E. Kyburg Jr. & R. P. Loui & G. N. Carlson
Mr. McTaggart's Ethics - Chapter
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General Relativity for Mathematicians
R. K. Sachs & H.-H. Wu
Dictionary of American History - Third Edition - Volume 8
Stanley I. Kutler
Essays in Understanding, 1930-1954: Formation, Exile, and Totalitarianism
Hannah Arendt
Our Cosmic Habitat
Lord Martin Rees
Princeton Science Library (88)