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.

Leonid Brezhnev speaks with Mongolian delegates about the Chinese military build-up on the Mongolian border, and the state of the Mongolians living in Inner Mongolia.

An account of conversation between the head Mongolian delegate to China, Tsedenbal, and Chinese Premier, Enlai, which was relayed by Mongolian ambassador, Tsevegmid, to USSR ambassador, Chervonenko. Tsedenbal and Enlai discuss China's sending workers to Mongolia, and the sending of goods from Mongolia to China. Additionally, the two argue about which country is following the proper ideological line, and about what propaganda materials are being printed in Mongolia.

Officials of the Mongolian People's Republic and the Korean Worker's Party discuss their mutual support for the peaceful unification of the Korean peninsula, obstacles presented by the U.S. and Japan, and perspectives on the Sino-Soviet split.

Mongolian Politburo Resolution and the Letter from Mongolian First Secretary Yu Tsedenbal to the Soviet leadership requesting one additional Soviet military unit to be stationed on Mongolian soil and at Soviet expense in order to reinforce the defense capabilities of the Mongolian People's Republic.

Fragment of the discussions between the delegation of the People's Republic of Mongolia led by Yumjaagiyn Tsedenbal and the Romanian government in Bucharest, 9 September 1957. Tsedenbal describes the formation of the history and current state of relations between the Mongolian and Soviet Communist parties, Mongolia's relationship with the People's Republic of China, as well as the status of economic reforms in Mongolia