Includes: information (spravki) on the foundation and activity of the Institute for Physical Problems (IFP); annual and perspective plans for research work; annual reports on the activity of the Institute; personal reports of academicians and correspondent members of the Academy of Science of the USSR working in the IFP; protocols of the sessions of the Scientific Council and Specialized Councils (spezsovetov) on defences of theses; protocols of production conferences (proizvodstvennye soveschaniya) by the Director; all-institute orders; material and financial documentation; materials (shorthand reports of conferences [soveschanii], technological calculations, correspondence) concerning the low-temperature plan by Kapit s a; records of consultations and conversations by IFP Director Kapit s a with representatives of research institutions and industrial enterprises; applications for discoveries of Kapit s a ("Plateless device for rectification," "The way to get the coldness or warmness and device for its realization," "The way to make gases liquid"), of N. E. Alexeyevskii and C. I. Philimonova ("The device for precise regulation of the giving a gas to a vacuum system") and others; information (svedeniya) on the introduction of the scientific methods discovered in IFP to the national economy; reports (otchety) on the training of personnel; registration cards of research works of IFP on subjects studied together with foreign scientific institutions; reports (doklady), theses of reports, information (soobscheniya) presented by collaborators for international congresses and conferences; material on the presenting of works by scientists of the IFP for Lenin's and Stalin's Premia; materials on the scientific activity of A. A. Abrikosov, N. E. Alexeevskii, L. A. Vanstein, L. P. Gor'kov, L. D. Landau, E. M. Lifshiz, P. G. Strelkov, A. I. Shal'nikov, Yu. V. Sharvin and others.