La III asamblea de la Asociacion internacional de progreso social
Subtitle: (Zürich, septembre de 1929)
By: por Léon Martin-Granizo [and others]
Contributors: International Association for Social Progress. General Assembly
Series: Its Publicacioʹn -- núm. 15
Publisher: Minuesa de los Rios
Published: 1930
Place of publication: Madrid
Language: spa
Number of pages: 38