Missile development and space sciences... Weather modification... Feb. 16, 1959 no.36 Scientific manpower and education... Feb. 25 - May 26, 1959 no. 18 Pt. 2, Census of scientific and technical personnel, June 24 - 25, 1959 Leasing of buildings in the District of Columbia by NĂSA, no. 1, Feb. 26, 1959 Basic research in agriculture... Feb. 27, 1959 no. 20 |