Equivalents of the Riemann Hypothesis
Kevin Broughan
Cloud-hidden, Whereabouts Unknown
Alan W. Watts
Analytic Theology: New Essays in the Philosophy of Theology
Michael C. Rea & Oliver D. Crisp
Animal Life
Carl W. Hoagstrom & Salem Press
Genetic Epistemology
Jean Piaget
Thought-Forms. By Annie Besant and C. W. Leadbeater. (Reprint.).
Annie Besant
Pauli and Jung: The Meeting of Two Great Minds
David Lindorff & Markus Fierz