A cable received from the Brazilian embassy in Buenos Aires, regarding the visit of Admiral Castro Madero, the president of the National Atomic Energy Commission, to Brazil. Ambassador Duarte and Madero discussed nuclear energy and the importance of an eventual cooperation agreement between Brazil and Argentina.

A telegram received from the Brazilian Embassy in Ottawa, detailing Argentina's stance regarding a nuclear cooperation agreement between West German and Brazil.

This is a letter written by Brazilian Congressman Herbert Levy which reveals the content of his meetings with high U.S. governmental officials regarding his concern about Argentina’s nuclear activities less than a year after the Falklands/Malvinas War. In these conversations, Levy states that Argentina might develop a nuclear artifact.

This cable summarizes Ambassador Ricupero’s mission to Argentina, where he conveyed a report that Brazil had mastered uranium enrichment. President Alfonsín’s letter of reply is included.

President Alfonsín of Argentina and President Sarney of Brazil declare their commitment to peaceful nuclear energy cooperation and mutual guarantees.

In this cable to Buenos Aires, Ambassador Vazquez reports that he requested a meeting with Minister Olavo Setúbal after General Leonidas Pires Gonçalves suggested that he would support a Brazilian nuclear weapons program. Vazquez also discusses a conversation with the Brazilian Foreign Minister's chief of staff, who told Vazquez that General Leônidas Pires refuted the reports of a Brazilian atomic bomb.

This memo from the Argentine General Directorate of Nuclear Affairs and Disarmament to the South America Directorate proposes a joint Argentine-Brazilian declaration on the peaceful use of nuclear weapons. Rejecting the establishment of IAEA safeguards, the memo instead suggests a "mutual guarantee mechanism" based on cooperation and inspections on a case by case basis.

In his answer to Argentinian President Bignone, Brazilian President João Batista Figueiredo expresses satisfaction for the result achieved by the neighbor country.

Draft of a nuclear cooperation agreement between Argentina and Brazil, very likely the same one given by Brazilian authorities to the Argentinian National Atomic Energy Commission (CNEA) mission during the latter’s visit to Brazil in March 1968.

Argentinian President Bignone informs Figueiredo of the Argentine capacity to enrich uranium.