Practice, Knowledge, Again Practice, and Again Knowledge Cultural diversification Franz Mehring (1846–1919) Selected Documents of the Communist Party of China Central Committee (1949. 10—1966. 5) Definition of “Leninism” Proposed by Stalin World War II Means of Circulation The Twelfth Plenary Session of the Eighth Central Committee of the CPC (Enlarged) Hold High the Great Banner of Deng Xiaoping Theory and Comprehensively Advance the Cause of Building Socialism with Chinese Characteristics into the 21st Century Political Report at the Eighth National Congress of the Communist Party of China