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
Cool Stars with Excesses of Heavy Elements Proceedings of the Strasbourg Observatory Colloquium Held at Strasbourg, France, July 3–6, 1984
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
Mass Loss from Stars Proceedings of the Second Trieste Colloquium on Astrophysics, 12–17 September, 1968
Interstellar Magnetic Fields: Observation and Theory Proceedings of a Workshop, Held at Scholß Ringberg, Tegernsee, September 8–12, 1986
Physical Processes in Fragmentation and Star Formation Proceedings of the Workshop on ‘Physical Processes in Fragmentation and Star Formation’, Held in Monteporzio Catone (Rome), Italy, June 5–11, 1989
Fundamental Stellar Properties: the Interaction Between Observation and Theory
The Stellar Populations of Galaxies (International Astronomical Union Symposia)
Regions of Recent Star Formation
H II Regions and Related Topics Proceedings of a Symposium held at Mittelberg, Kleinwalsertal, Austria, January 13–17, 1975