The Theory of Arithmetic Functions: Proceedings of the Conference at Western Michigan University, April 29 - May 1, 1971 (Lecture Notes in Mathematics, 251)
Number Theory, Madras 1987 Proceedings of the International Ramanujan Centenary Conference, held at Anna University, Madras, India, December 21, 1987
Geometric Techniques in Gauge Theories: Proceedings of the Fifth Scheveningen Conference on Differential Equations, The Netherlands, August 23-28, 1981 (Lecture Notes in Mathematics, 926)
Complex Analysis: Proceedings of the Conference Held at the University of Kentucky, May 18 - 22, 1976 (Lecture Notes in Mathematics, Vol. 599)
Approximation Theory: Proceedings of an International Conference held at Bonn, Germany, June 8-11, 1976 (Lecture Notes in Mathematics, 556) (German, English and French Edition)
Number Theory, Noordwijkerhout 1983 Proceedings of the Journees Arithmetiques held at Noordwijkerhout, the Netherlands, July 11-15, 1983
Modular Functions of One Variable VI Proceedings International Conference, University of Bonn, Sonderforschungsbereich Theoretische Mathematik, July 2-14, 1976
Vorlesungen über Zahlentheorie
Conference on Group Theory: University of Wisconsin-Parkside 1972 (Lecture Notes in Mathematics, 319)
Modular Functions of One Variable V Proceedings International Conference, University of Bonn, Sonderforschungsbereich Theoretische Mathematik, July 2-14, 1976
