The Brockhaus and Efron Encyclopedic Dictionary (Russian: Энциклопедический словарь Брокгауза и Ефрона) (35 volumes, small; 86 volumes, large) is, in its scope and style, the Russian counterpart to the Encyclopædia Britannica. It contains 121,240 articles, 7,800 images, and 235 maps. Published in Imperial Russia in 1890–1906, the comprehensive encyclopedia was a joint venture of Leipzig and St Petersburg publishers.
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Dictionary works in offline mode. Database will install on SD-card or in internal memory (if card is not exist).