Conducts research and collects data on the global history of labour, workers, and labour relations

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For several years now the IISH has had a small collection on the Puerto Rican National Movement, which deals with Puerto Rico and the Puerto Rican communities in the United States, donated by Ira... [Collection highlight]
The poor situation of the early socialist movement in Puerto Rico can be seen in its newspaper, a folded folio named El Porvenir Social. There are eight vendors who sell El Porvenir in the capital of... [Item of the Day]