The population report a challenge to the people of our time /
Moerman, Joseph.
Ingram, Michael.
Conference of International Catholic OrganizationsPopulation Commission.
London Search Press
1975
'This book developed from the work of the Population Commission of the Conference of International Catholic Organizations (ICOs)' - Introduction
Translation of: 'Le Problème de la population'. Paris : Editions du Centurion, 1974
Birth control