The Collected Material series, 1691-1989 (Bulk 1917-1979) (1 linear feet) includes various types of material collected by Dr. Sánchez, including poetry, clippings, biographical materials, and Peruvian political ephemera such as leaflets and pamphlets. The political leaflets and pamphlets are arranged chronologically while the remainder of the series is arranged alphabetically. The political materials include government propaganda, leaflets for elections, and copies of government documents.