May 16, 1957
Report of V. M. Riabikov, M. I. Nedelin, K. N. Rudnev, and S. P. Korolev to the CPSU Central Committee
Results of first launch of the R-7 ICB
December 02, 1958
Letter, M. Khrunichev et al to the CPSU CC
Proposal submitted to the Central Committee (CC) by a number of industry leaders, scientists, and military officials proposing to strengthen biomedical research to support a future human spaceflight.
September 10, 1960
Proposal from D. Ustinov et al to the CPSU CC on Human Spaceflight
Formal proposal to Central Committee from a group of industrial leaders, military officials, scientists, and designers to carry out the first human spaceflight by December 1960.