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February 5, 1968

Lt. Col. J. Załuska, 'Record: Information from CSSR Military Attaché, Col. Goch, obtained during a Hunt'

North Korea is interested in obtaining equipment for nuclear research, and the Soviet Union has been supporting the DPRK's nascent atomic industry.

January 14, 1968

Lt. Col. J. Załuska, 'Report: Information from GDR Military Attaché Lt. Col. Schafer'

Moskovsky advised Pak Geum-cheol and Kim Chang-man to cooperate with the Soviet-led socialist bloc. Conversation with Kim Il Sung and Moskovsky imply strong relations with the Soviet Union.


Report by Kádas István, 'Negotiations of the Korean nuclear delegation in the GDR'

A report by Hungarian Ambassador Kadas Istvan about the negotiations between the North Korea and East Germany over nuclear issues.

October 9, 1991

Record of Conversation between Chairman of the International Affairs Committee of the Supreme Soviet of the USSR A. S. Dzasokhov with the DPRK Ambassador Son Seong-pil

Son Seong-pil says North Korea will "closely watch" the withdrawal of US nuclear weapons from the Korean Peninsula.

January 20, 1956

Journal of Soviet Ambassador to the DPRK V. I. Ivanov for 20 January 1956

Kim Il Sung tells Ivanov that he is interested in having Korean scientists work in nuclear research. Chinese Ambassador Pang Zili informs Ivanov about China’s position on the Swedish-Swiss Neutral Commission.

November 1992

Defense Intelligence Assessment, US Defense Intelligence Agency, DST-1540Z-509-92-SI, 'Nuclear Proliferation Data Sheets'

This extract from a collection of DIA reports on national nuclear weapons programs, focuses on North Korea – which is discussed in the both the key judgments section as well as in a chapter which examines several aspects of the North Korean nuclear program. The chapter examines North Korea’s nuclear infrastructure, fuel cycle, the extent of foreign assistance, treaty obligations, the nuclear program and possible future developments, and delivery vehicles.

April 8, 1967

Telegram from Pyongyang to Bucharest, No.76.121, TOP SECRET, April 8, 1967

Telegram informing requests from North Korea asking for technical and scientific cooperation in the field of atomic energy.

May 20, 1958

Journal of Soviet Ambassador in the DPRK A. M. Puzanov for 20 May 1958

Puzanov visits Nam Il and is informed on the DPRK delegation for familiarization with the use of atomic energy.

May 6, 1958

Journal of Soviet Ambassador in the DPRK A. M. Puzanov for 6 May 1958

Puzanov reports on the premises selected to house the Soviet exhibition on the use of atomic energy for peaceful purposes.

May 17, 1958

Journal of Soviet Ambassador in the DPRK A. M. Puzanov for 17 May 1958

Nam Il learns that the Soviet government will receive a North Korean delegation to study the "use of atomic energy for peaceful purposes" while informing Puzanov of arrangements for representatives of the DPRK to attend party congresses in Eastern Europe.