4. Nadya Alliluyeva: letters to Anna Radchenko see Vasileva, Kremlin Wives, pp. 56–58, and quote from Svetlana, Only One Year. Author’s interviews with Kira Alliluyeva, Moscow, 2001–2. A. S. Alliluyeva, Vospominaniya, pp. 183–91. On Nadya and Anna: Kun, pp. 211–15, quoting Vladimir Antonov-Saratovsky and interview with Kira Alliluyeva. Author’s visit to the Alliluyev Museum.