Decidable Theories Vol. 2: The Monadic Second Order Theory of All Countable Ordinals
Büchi’s Monadic Second Order Successor Arithmetic
Degrees of Unsolvability: Structure and Theory (Lecture Notes in Mathematics, 759)
Course of Mathematical Logic Volume I Relation and Logical Formula
Aufzählbarkeit, Entscheidbarkeit, Berechenbarkeit.: Einführung in die Theorie der rekursiven Funktionen (Heidelberger Taschenbücher, Band 87) (German Edition)
The Syntax and Semantics of Infinitary Languages (Lecture Notes in Mathematics, 72)
Tableau Systems for First Order Number Theory and Certain Higher Order Theories (Lecture Notes in Mathematics, 447)
Lectures in Set Theory: With Particular Emphasis on the Method of Forcing (Lecture Notes in Mathematics, 217)
Eine Termlogik mit Auswahloperator (Lecture Notes in Mathematics) (German Edition)
Proof Theory and Intuitionistic Systems (Lecture Notes in Mathematics, 212)