Letter to Liu Songlin [1] (December 29, 1961)  My dear daughter: I have received your letter and am very pleased. I am still in good health; do not worry about me. You should take care to rest and recuperate. I hope you will keep a diary from time to time. Best wishes!  Your Father  December 29, 1961  Printed from Mao Zedong’s handwritten draft.  Notes  [1] Liu Songlin, whose original name was Liu Siqi, married Mao Zedong’s eldest son, Mao Anying, in 1949. At this time she was working as a Russian translator in the Research Department of the Engineering Corps of the Chinese People’s Liberation Army.