Plenary sessions, apparatus heads, ethnicity (by clicking on the individual names on "The Central Committee, elected VIIIth Congress of the RCP (B) 23/3/1919 members" reference), the Central Committee full- and candidate membership, Politburo membership, Secretariat membership and Orgburo membership were taken from these sources:
^Service, Robert (2005). Stalin: A Biography. Harvard University Press. p. 103.
^Lindemann, Albert S. (1997). Esau's Tears: Modern Anti-Semitism and the Rise of the Jews. Cambridge University Press. p. 430.
^Marie, Jean-Jacques (1974). Makers of the Russian Revolution: Biographies of Bolshevik Leaders. Cornell University Press. p. 152.
^Lindemann, Albert S. (1997). Esau's Tears: Modern Anti-Semitism and the Rise of the Jews. Cambridge University Press. p. 432.
^Riga, Liliana (2012). The Bolsheviks and the Russian Empire. Cambridge University Press. pp. 60 and 304.
^Rubenstein, Joshua (2011). Leon Trotsky: A Revolutionary's Life. Yale University Press. p. 1.
^ abRiga, Liliana (2012). The Bolsheviks and the Russian Empire. Cambridge University Press. pp. 60 and 304.
^Service, Robert (2005). Stalin: A Biography. Harvard University Press. p. 103.
^Lindemann, Albert S. (1997). Esau's Tears: Modern Anti-Semitism and the Rise of the Jews. Cambridge University Press. p. 430.
^Ivkin, V.I. Государственная власть СССР. Высшие органы власти и управления и их руководители. 1923—1991 гг. Историко-биографический справочни (in Russian). Moscow. p. 605.