Poster: The world Marxist and Leninist get united in the struggle against imperialism and revisionism, first ed., first issue, 770 x 530mm., The Shanghai People’s Art Publishing House, 1968; Long live the great October socialist revolution, [lower corner note with signature ‘The Forth Season No. 23’], 785 x 535mm., n.p., n.d; [Long Live] Chairan Mao, shadowed by Marx and Lenin, 940 x 755mm, [1969]