Formal Concept Analysis: Mathematical Foundations
Bernhard Ganter & Rudolf Wille
Philosophy of Language and Philosophy of Science 1974 - Paper
Hilary Putnam
Subordination
Sonia Cristofaro
The Simple Feeling of Being
Kenneth E. Wilber
The Good Shepherd
C. S. Forester
The Concept of a Riemann Surface
Hermann Weyl & Gerald R. MacLane