A Stasi intelligence report on the potential for terrorist activity in Berlin.

Documents related to East Germany's protest against the intended establishment of a Chinese trade representation in West Berlin. The East German Ministry of Foreign Affairs stresses that West Berlin cannot be regarded as part of West Germany. Therefore, by initiating diplomatic relations with West Berlin without considering the existence of the internationally acknowledged Four Power Agreement on Berlin between the US, Britain, France, and the Soviet Union, China is deliberately acting against the interests of East Germany.

Documents related to East Germany's protest against the intended establishment of a Chinese trade representation in West Berlin. The East German Ministry of Foreign Affairs stresses that West Berlin cannot be regarded as part of West Germany. Therefore, by initiating diplomatic relations with West Berlin without considering the existence of the internationally acknowledged Four Power Agreement on Berlin between the US, Britain, France, and the Soviet Union, China is deliberately acting against the interests of East Germany.

A report on surveillance activities of members of the Tudeh Party living in West Berlin.

A report from a "trusted informal collaborator" claims that Iranian leftist groups will seek to enter East German to protest or attack the embassy of Iran.

Ulbricht writes to Khrushchev discussing a peace treaty with Western powers. He mentions that the Bonn government threatens to repeal its trade treaty with the GDR if the peace treaty is concluded with both German states, and the economic problem this would pose for the GDR.

In this extraordinary conversation, Solidarity’s leader fears the collapse of the Wall would distract West Germany’s attention - and money - to the GDR, at the time when Poland, the trail-blazer to the post-communist era in Eastern Europe, desperately needed both. "Events are moving too fast," Walesa said, and only hours later, the Wall fell, and Kohl had to cut his Poland visit short to scramble back to Berlin, thus proving Walesa’s fear correct.

Khrushchev response to Ulbricht's 15 September letter regarding the closing of the border between east and west Berlin. He notes that since the Western powers were tending toward negotiation rather than confrontation over the crisis, "such steps which could exacerbate the situation, especially in Berlin, should be avoided."

1973 agreement between the Stasi and the KGB outlining their cooperative efforts to fight "ideological subversion" and uncover "the hostile plans of the enemy." Both secret services would also exchange information gathered by their espionage activities and provide mutual support in infiltrating agents. Of particular mutual interest was espionage against the Federal Republic of Germany and West Berlin. To this end, the KGB was permitted to recruit East German citizens, and the MfS would secure their ongoing contacts.

DPRK Ambassador Pak Yeong-chan discusses Hungary's decision to recognize the South Korean government, East German-North Korean relations, and procedures for North Korean citizens traveling to West Berlin.