Brockhaus and Efron Encyclopedic Dictionary

The Brockhaus and Efron Encyclopaedic Dictionary (Russian: Энциклопедический словарь Брокгауза и Ефрона, romanized: Entsiklopedicheskiy slovar Brokgauza i Yefrona, abbr. ЭСБЕ, ESBE; 35 volumes, small; 86 volumes, large) is a comprehensive multi-volume encyclopaedia in Russian. It contains 121,240 articles, 7,800 images, and 235 maps. It was published in the Russian Empire in 1890–1907, as a joint venture of Leipzig and St Petersburg publishers. The articles were written by the prominent Russian scholars of the period, such as Dmitri Mendeleev and Vladimir Solovyov. Reprints have appeared following the dissolution of the Soviet Union.