6 books • 3 series
Differential Geometry and Gauge Fields
Lectures on Algebraic Topology
Topics in Differential Geometry
Tensors, Differential Forms and Variational Principles (Pure & Applied Mathematics) (Dover Books on Mathematics)
The Hamilton-Jacobi Theory in the Calculus of Variations
The Differential Geometry of Finsler Spaces (Grundlehren der mathematischen Wissenschaften, #101)