A file of correspondence and reports on communist activities in China seized during the investigation of the "Noulens" Soviet intelligence organisation in Shanghai. Documents in this file include multiple reports covering the state of the Chinese Communist Party, its organisation, membership, ideological correctness, and the general situation in China; a proposal for the civil and military organisation of several Chinese districts; proposals for the reorganisation of the Chinese communist army; reports of mutinies in the army, and recommendations for their suppression; a report on the organisation and tasks of the Central Committee of the Chinese Communist Party; reports on strikes, industrial action and trade union activity in China; reports of the arrest of agents, including security measures to be taken as a result; organisation of Chinese intelligence services; and a memorandum on intelligence operations in China.