mexicano. Mexico: Grijalbo, 1985; Jeifets L., Jeifets V., Huber P. La Internacional Comunista y América Latina, 1919-1943. Diccionario biográfico. Ginebra: Instituto de Latinoamérica-Institut pour l'histoire du communisme, 2004; Kheyfetz L. and V. Michael Borodin. The First Comintern-emissary to Latin America, The International Newsletter of Historical Studies on Comintern, Communism and Stalinism. Vol.II, 1994/95. No.5/6. P.145-149. Vol.III (1996). No.7/8. P.184-188. 1884 births 1951 deaths People from Vitebsk District People from Vitebsky Uyezd Belarusian Jews Bundists Old Bolsheviks Soviet diplomats Soviet politicians Comintern people Valparaiso University alumni Prisoners who died in Soviet detention Soviet Jews People of the Chinese Civil War People of the Northern Expedition