El porvenir social :
(1899) subtitled: Periodico obrero.
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Puerto Rico.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/3202C7CA-8EB8-4A4E-9BEE-1FDA392D2EB7 |