Activity in Cool Star Envelopes Proceedings of the Midnight Sun Conference, held in Tromsø, Norway, July 1–8,1987
Birth and Evolution of Massive Stars and Stellar Groups Proceedings of a Symposium held in Dwingeloo, The Netherlands, 24–26 September 1984
Calibration of Fundamental Stellar Quantities Proceedings of the 111th Symposium of the International Astronomical Union held at Villa Olmo, Como, Italy, May 24–29, 1984
Dynamics of Comets: Their Origin and Evolution Proceedings of the 83rd Colloquium of the International Astronomical Union, Held in Rome, Italy, 11–15 June 1984
Upper Main Sequence Stars with Anomalous Abundances Proceedings of the 90th Colloquium of the International Astronomical Union, held in Crimea, U.S.S.R., May 13–19, 1985
Cool Stars, Stellar Systems and the Sun Proceedings of the Fourth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, Held in Santa Fe, New Mexico, October 16-18, 1985
Surface Inhomogeneities on Late-Type Stars Proceedings of a Colloquium Held at Armagh Observatory, Northern Ireland, 24–27 July 1990
Cataclysmic Variables. Recent Multi-Frequency Observations and Theoretical Developments Proceedings of IAU Colloquium No. 93, held in Bamberg, F.R.G., June 16–19, 1986
Binary and Multiple Stars as Tracers of Stellar Evolution Proceedings of the 69th Colloquium of the International Astronomical Union, Held in Bamberg, F.R.G., August 31 – September 3, 1981
Wide Components in Double and Multiple Stars Proceedings of the 97th Colloquium of the International Astronomical Union held in Brussels, Belgium, 8–13 June, 1987