The Inés García papers date from 1916 to 2003 and measure 5 linear inches. The papers primarily document Inés García's life and family. Some materials are held only as facsimiles.

The Inés García biographical materials include milestone certificates, records of her volunteer work with the March of Dimes, a Dionne quintuplets calendar from 1936, two t-shirts reflecting the family's involvement with the women's movement, and an oral history interview conducted with García by her daughter Teresa in 1999.

The provides ample documentation of the Mexican American community in Fort Madison and the El Cometa barrio where many railroad workers lived, sometimes in converted boxcars. The photographs, some of which are unidentified and undated. Labeled photographs generally depict members of the Díaz family and others in El Cometa in the 1920s. Some photographs are available only as photocopies. The photo album, which dates from 1921 to 1978, includes newspaper clippings, photographs, postcards, and funeral programs about the Mexican American community in Fort Madison. Additional materials on this topic include a 1994 newspaper article on the history of El Cometa and a facsimile of a 1929 Fort Madison celebration of Mexican Independence Day.

The collection also includes two Spanish-language volumes: a 1916 edition of La Llorona, published by Quiroga, as well as a 1926 Ayala y Pons primer for fifth-grade primary school students.

Digital scans of additional photographs and postcards, most of which are embroidered, complete the collection. Some of the postcards include written correspondence.