"1945 - 1991" . . . . "Zhi e gong ling xiu shu" . "致俄共領袖書 = Letter to Soviet leaders" . . . . . . "Zhi E gong ling xiu shu = Letter to Soviet leaders" . "Zhi O gong ling xiu shu" . . . "Letter to Soviet leaders" . . . "致俄共領袖書" . . . . . . "Soviet Union" . .