Veinte años de sindicalismo libre en América
Subtitle: 12 de enero de 1951, 12 de enero de 1971.
Contributors: ORIT (Organization)
Publisher: O.R.I.T.
Published: 1972
Place of publication: México, D.F
Language: spa
Number of pages: 178
Subjects: ORIT (Organization) -- Congresses.; Labor unions -- America -- Congresses.