• 9 AMP Library
• 9 Verona Shelving Facility
• 3 Memorial Library
• 1 Science Libraries Shelving Facility

• 23 Books

• 7 Mathematics
• 5 Study and teaching
• 4 Logic, Symbolic and mathematical
• 3 Lie groups
• 2 Einstein, Albert, 1879-1955
• 2 Lie algebras
• 2 Lincos (Artificial language)
• 2 Science
• 2 Topology
• 1 Audio-visual aids
• 1 Calculators
• 1 Education
• 1 Electromechanical analogies
• 1 Foundations
• 1 Geometry
• 1 Geometry, Differential
• 1 Group theory
• 1 Methodology
• 1 Probabilities

• 23 Freudenthal, Hans, 1905-1990
• 1 Collection de logique mathematique. Ser. A. 14
• 1 Colloquium on Algebraic and Topological Foundations of Geometry (1959 : Utrecht, Netherlands)
• 1 International Mathematical Union
• 1 International Union of the History and Philosophy of Science. Division of Philosophy of Sciences
• 1 Mathematisch Centrum (Amsterdam, Netherlands)
• 1 Peremans, W.
• 1 Vries, H. de (Hendrik), 1932-

• 13 English
• 8 German
• 4 Dutch
• 4 French
• 1 Undetermined

• 2 Popular works
• 1 Congresses

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