The Representation Theory of the Symmetric Groups Lecture Notes in Mathematics,

Theory of Hopf algebras attached to group schemes Lecture notes in mathematics,

Degrees of Unsolvability: Structure and Theory. Lecture notes in mathematics; 75

Foundations of the Theory of Klein Surfaces. (= Lecture Notes in Mathematics, Ba

Spectral Properties of Hamiltonian Operators Lecture Notes in Mathematics, 313 J

The Enumerative Theory of Conics after Halphen. Lecture notes in mathematics; Bd

Theory of Hopf Algebras Attached to Group Schemes. Lecture Notes in Mathematics;

Foundations of the Theory of Klein Surfaces. Lecture Notes in Mathematics; 219.