There are only a few societies and organizations that may have information of value to your genealogical research in Peru.
Records of these societies are usually described in the “Author/Title” section of the Family History Library Catalog under the name of the society. They are also listed in the “Locality” section of the Family History Library Catalog under one of the following:
PERU - SOCIETIES
PERU - GENEALOGY
Lists and guides that describe the collections of societies are listed in the “Locality” section of the Family History Library Catalog under:
PERU - ARCHIVES AND LIBRARIES INVENTORIES, REGISTERS, CATALOGS
The Family History Library’s Spanish Letter-Writing Guide (36245) gives details about how to write to societies in Peru for genealogical information.