J R Liste des articlesVol. 5, 1950/3Royal Commission on Population - Reports and Selected Papers of the Statistics CommitteeVol. 6, 1951/2Fronteira Joaquim. — Tabuas abreviadas de mortalidade da populaçâo portuguesaVol. 6, 1951/3Estimation du nombre total de naissances aux Etats-Unis, depuis 1909Vol. 8, 1953/2Ministry of Welfare. — Social Work in Japan