Monument to Karl Marx in Moscow. Researchers work in the halls of the IMEL (Institute of Marx, Engels, Lenin). Book depository at the institute. Karl Marx's manuscripts in the IMEL funds. Doctor of Historical Sciences I. A. Bach talks (synchronously) about the search for previously unknown articles and manuscripts of K. Marx. Excursion to the Museum of K. Marx and F. Engels. Exterior and interior of the British Museum in London. Types of London. Chronicle of 1929: Filming of the London Stock Exchange during the 1929 financial crisis. Demonstrations on the streets of [London]. Dispersal of demonstrators by police. Demonstrations in Japan, India, USA. Types of Trier in Germany: streets, buildings, the house where Karl Marx's family lived. Chronicle of 1918: the opening of a monument to K. Marx in Moscow. Speech at the opening of the monument to V. I. Lenin. Filming of the 1960s: the opening of the monuments to Karl Marx in Moscow, London (at the grave of Karl Marx at the Highgate Cemetery). The ceremonial meeting in the Kremlin Palace of Congresses, dedicated to the 150th anniversary of Karl Marx. Speech by Mikhail Suslov (synchronously).