Por una civilización humana
Subtitle: II Consejo Internacional de la J.O.C., Río de Janeiro (Brasil), 2-11 novbre. 1961.
Publisher: G. Yapa
Published: 1961
Place of publication: Madrid
Language: spa
Number of pages: 174
Subjects: Young Christian Workers -- Congresses.
Other titles: Río 61.
Notes: Cover title: Río 61.