The publication publishes working and diary entries of L.I. Brezhnev (1906-1982) for the period from October 1964 to November 1982. This is a unique historical source that allows us to characterize various aspects of party, political and state activities of L.I. Brezhnev, as well as events and little-known facts of his personal and family life. The publication is equipped with a deployed scientific reference apparatus. As appendices, the volume contains information about the main dates of life and activities of L.I. Brezhnev, a complete list of his state awards (domestic and foreign) and a list of party congresses, plenums of the Central Committee of the KPPS in 1952-1982.