1-4 of 4 Books

Riemannsche Hilbert-mannigfaltigkeiten; periodische geodätische
By P. Flaschel

Algebraic and geometric topology
By Symposium in Pure Mathematics Stanford University 1976.

Seminar on Deformations
By Seminar on Deformations (1982-1984 Łódź, Poland and Warsaw, Poland)

Geometric theory of dynamical systems
By Jacob Palis Júnior