Includes reports on the establishment and activity of the Institute; the Statute of the Experimental Design Office of the Institute; protocols and shorthand reports of the Scientific Council sessions and those of its divisions "Cosmic Physics" and "Cosmic Electronics and Information Transmission," Ph. D. Board of Experts; protocols of directorate production meetings (proizvodstvennoe soveschanie pri directore) (after 1976); protocols of sessions of the Institute Commission on International Relations; shorthand protocols of the Conference on Problems of Space Research (1972); Serving the Project on the System of Planning the Scientific Research of Space (1973), and others; orders of directors on the activity of the Institute (after 1976); annual and thematical plans of design works; annual account of carrying out research, experimental, design works in the Institute Design Office; annual reports on fulfillment of the Institute research plans for the years 1968 through 1981; accounts of the cooperation with NASA in space research (1971); the conclusion of the Academy Commission on examining results of Institute research from 1965 through 1971; staff and financial documentation; correspondence with the Intercosmos and other institutions about scientific experiments and membership of the IKI in international scientific organizations; materials to Soviet-American experiment Soyuz-Apollo, to Soviet-French symposium on the projects: EOS-Venus, Arcad-3, Spolokh, and others.