A History of Mathematical Notations: Vol. I
Florian Cajori
Modern Man in Search of a Soul
C.G. Jung, W. S. Dell, Cary F. Baynes
Descartes on Polyhedra: A Study of the De Solidorum Elementis
Pasquale Joseph Federico
Planned Chaos
Ludwig Von Mises
Iamblichus' Egyptian Neoplatonic Theology in De Mysteriis
Dennis C. Clark