A collection of twenty letters, documents, and papers, mainly folio, relating to slavery in Spanish America from 1624 to 1825. The papers concern questions of property rights over indigenous and African slaves, regulation of the slave trade, and slave ownership. Authors include two Spanish kings (Philip IV and Charles II), along with numerous government officials and nobles. The collection includes materials relating to Spain, Peru, Paraguay, Brazil, Cuba, Santo Domingo (Hispaniola), Guatemala, El Salvador, Puerto Rico, and Mexico (Vera Cruz & Yucatan), among other locales. The majority of the materials are written in Spanish, though one item is written in Portuguese.