Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
You can use this work for any purpose, as long as it is not primarily intended for or directed to commercial advantage or monetary compensation. You should also provide attribution to the original work, source and licence. Read more about this licence.
Credit
Les responsabilités familiales : Exposé du thème du Congrès Général des 12-13 février 1955 / Ligues des Familles Nombreuses de Belgique. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.