In September 1977, W. Jaruzelski  visited Mongolia and the DPRK. While in North Korea, Jaruzelski met with President Kim Il Sung and the Minister of National Defense O Jin U.  Although Jaruzelski did make several critical comments about the DPRK in his secret post-trip report, he still spoke in highly favorable terms about the country and generally recommended that Poland strengthen its relations with North Korea. 

Jaruzelsk's report also includes commentary on China's relations with both Mongolia and the DPRK.

Report of the visit by DPRK officials to the PRC. This summary addresses the PRC’s and the DPRK’s relations with each other and their individual policies towards South Korea, it examines the issue of reunification and touches on the Sino-Soviet competition.

Shtykov gives an insider’s report of a meeting with Kim Il Sung and Pak Heon-yeong, in which they discussed the current desperate state of the KPA, possible advancement of the US forces over the 38th parallel and the extent of the enemy’s knowledge of Soviet Union deliveries to North Korea. Kim asks for advice concerning the appeal for military aid that the Political Council of the Worker’s Party of Korea plans to send to Stalin. Shytkov comments on the nervousness and desperation of the Korean officials.

Mao writes to Stalin of the ongoing armistice negotiations concerning Korea, specifically the proposed demarcation line (38th parallel). Mao also writes about monitoring, the exchange of prisoners of war, and economic considerations within China.

Telegram from Shtykov to Gromyko and Stalin reporting the dire circumstances into which the North Koreans had fallen in the wake of the Incheon landings. Mentioned is a correspondence between the North Koreans and Mao which hinted at possible Chinese aid.