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