XXXI congreso de la Union General de Trabajadores :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
UGT,
1978.
Madrid : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/F4778DB0-EBBF-4424-BEA5-B2DAE176C555 |