Alexandra Yakovlevna Efimenko (1848-1918), a distinguished historian and ethnographer, her fundamental work, "The History of the Ukrainian People", is a general account of the historical process in Ukraine from the ancient times to the end of the XIX century. The contents of the book: Prehistoric Age and Slavic Tribes: The early stages of the settlement of the territory of Ukraine, culture and the existence of the ancient Slavic tribes, the Kiev Ruz: Analysis of the formation and development of the ancient Russian State, its political structure, economy and culture. Galicko-Volynh: The history of this State, its role in preserving Ukrainian statehood, Ukrainian lands under the authority of Lithuania and Poland: Socio-economic and cultural changes during this period and the influence of Western European traditions are being studied. Kazakhism and the Liberation War 1648-1654: The role of Cossackism in the history of Ukraine, the causes and course of the Liberation War under the leadership of Bogdan Khmelnitsky, is discussed in detail, illustrated by drawings and portraits, which help to better understand the events and eras described. The "History of the Ukrainian People" A. Ia. Efimenko is a valuable source for all interested in the history of Ukraine and its cultural and social development. There are stamped libraries.