Comprises:
- "Evolution of binary systems and their generic relations", Vain Bappu Memorial lecture 1983;
- "Halley’s comet and its celestial sisters" talk to Academy of Athens 5 December 1985;
- "The Earth as a celestial body" [Jan 1986];
- "Recent changes in the analysis of the light changes of eclipsing binary systems in the frequency domain" [paper given at Professor Kitamura's retirement event, April 1986];
- "Light changes of eclipsing variables and what we can learn from them" [ n.d. 1980s].