The Symbolic Species: The Co-Evolution of Language and the Brain
Terrence William Deacon
The Neumann Problem for the Cauchy-Riemann Complex
Gerald B. Folland & Joseph John Kohn
Philosophy of Science
Alexander Bird
Christian Mysticism
William Ralph Inge
Mathematical Logic: On Numbers, Sets, Structures, and Symmetry
Roman Kossak
Descriptive psychology
Franz Brentano
International Library of Philosophy (1)