Correspondence and papers from a folder labelled, 'Conferences'. Material is comprised of ZK letters regarding various conferences he is organising, presenting at, or attending. Also, correspondence regarding publishing the proceedings of conferences.
Conferences include:
- Structure, Composition, and History of the Lunar Surface, 9-11 September 1970, Lunar Space Institute.
- The Surface Features of Mars, 16-17 November 1970, Douglas Advanced Research Laboratories, Huntington Beach, California, USA.
- International Astronomical Union (IAU) Symposium No. 47, The Moon, 22-26 March 1971, School of Physics, University of Newcastle, UK.
- International Astronomical Union (IAU) Symposium No. 48, Rotation of the Earth, 9-15 May 1971, Morioka, Japan.
- From Plasma to Planet, Nobel Symposium 21, 6-10 September 1971, Saltsjöbaden, Sweden.
- North British Symposium on Partial Differential Equations and their Applications, session 1971/72.
Other material includes: map of Stockholm; Nobel Symposia brochure; Nobel Symposium list of attendees; programmes; North British Symposium information sheet; abstracts, for example ZK's 'Astronomical Evidence for the Origin of Planetary Systems in Other Stars'; IAU notice to authors; and IAU Symposium No. 48, information on a special tour.