Proceedings of the Fifth Latin American Symposium on Mathematical ...
Roberto Cignoli & Ayda Arruda & Leopoldo Bertossi & Martin Bunder & Rolando Chuaqui & Newton C.A. Da Costa & Carlos A. Di Prisco & Itala M. L. D'ottaviano & Solomon Feferman & Andre Joyal & Gonzalo E. Reyes & E. G. K. Lopez-Escobar & Klaus Madlener & F. Otto & Jerome Malitz & Jan Mycielski & William N. Reinhardt & Val Plumwood & Richard Sylvan
The Marx-Engels Reader
Karl Marx & Friedrich Engels & Robert C. Tucker
Paraconsistent Logic
Graham Priest
Benjamin and Wittgenstein: Signals and Affinities
Stanley Cavell
Theory of the Earth
Thomas Nail
Earthy Realism: The Meaning of Gaia
James Lovelock & Mary Midgley