Since 1946, SIL in Peru (also known as the Instituto Lingüístico de Verano) has published more than 3,000 publications. In addition, SIL has a large body of unpublished works about the languages of Peru. Most of the publications can be found at the National Library, the library of Ricardo Palma University (URP) and the National Intercultural University of the Amazon (UNIA) in Yarinacocha. Many works in or about the languages are available for download here.