Ultraviolet Stellar Spectra and Related Ground-based Observations (International Astronomical Union Symposia, 36)
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
The Stellar Populations of Galaxies (International Astronomical Union Symposia)
New Problems in Astrometry
Problems of Stellar Convection: Proceedings of the Colloquium No. 38 of the International Astronomical Union Held in Nice, August 16-20, 1976 (Lecture Notes in Physics)
Mass Loss from Stars Proceedings of the Second Trieste Colloquium on Astrophysics, 12–17 September, 1968
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
Problems Of Astronomical Spectroscopy
Multiple Periodic Variable Stars Proceedings of the International Astronomical Union Colloquium No. 29, Held at Budapest, Hungary 1–5 September 1975
Internal Kinematics and Dynamics of Galaxies (International Astronomical Union Symposia, 100)