English pamphlet series
Institute of Population Problems, Ministry of Health and Welfare
by Hiroshi Komai
Institute of Population Problems, Ministry of Health and Welfare 1969 English pamphlet series no. 67
Available at 1 libraries
by Minoru Tachi
Institute of Population Problems, Ministry of Health and Welfare 1965 English pamphlet series no. 61
by Nobuo Shinozaki
Institute of Population Problems, Ministry of Health and Welfare 1965 English pamphlet series no. 60
Institute of Population Problems, Ministry of Health and Welfare 1960 Latest rev. ed English pamphlet series no. 52