With "the Manifesto", the Communist Manifesto by Marx and Engels is meant. The caricatures crushed by the book: Peng Zhen, Lu Dingyi, ???, Liu Shaoqi, Deng Tuo, ???, ???. The unrecognized persons may be Tian Han, Wu Han and Liao Mosha, all involved in the group around Peng Zhen and the controversy about the play on Hai Rui.