The López Negrete Communications Advertising Collection showcases the successful print advertising campaigns the communications agency undertook with major clients like Goya Foods, NationsBank, and Walmart. The advertising posters in this collection exemplify the agency's creativity in building on U.S. Latinos' everyday experiences to market American products and services. Alex and Cathy López Negrete, the founders of López Negrete Communications, made it their mission to use ethnographic approaches to better understand the U.S. Latino market which led to their success as the largest independently-owned Latino advertising agency in the country.

The Hector and Norma Orcí Advertising Agency Records document the history, educational, and creative output produced by Hector and Norma Orcí throughout their extensive career in advertising. The Orcís founded their own independent agency in 1986 in Los Angeles. The Orcí Advertising Agency successfully introduced various products to Latinos in the United States and developed a reputation as one of the top advertising agencies to understand the US Latino market. The collection showcases the agency's history and awards, advertising and marketing campaigns, and its role in educating advertising agencies on the importance of the US Latino market.

The papers of abstract painter, art critic, and art historian, Charmion von Wiegand, measure 0.4 linear feet and date from circa 1926-1938 and undated. The bulk of the collection consists of writings by von Wiegand.

The papers of muralist, writer, and activist Philip Stein regarding the Mexican muralist David Alfaro Siqueiros measure 3.8 linear feet and 3.88 GB and date from 1933 to 2012. The papers reflect Stein's relationship with Siqueiros as an art assistant and their shared commitment to leftist politics. Much of the material relates to Stein's book Siqueiros, His Life and Work (1994) and his first book The Mexican Murals (1984). Found are research materials, correspondence, interviews, printed and digital material, photographic materials, video and film recordings, writings about and by David Alfaro Siqueiros, and materials concerning Stein as a painter.

The papers of painter, muralist, and educator Emanuel Martinez measure 7.4 linear feet and date from 1960 to 2015. The collection is comprised of correspondence with Rodolfo "Corky" Gonzalez of the activist group Crusade for Justice; writings that include journal entries, essays about Mexican American youth, education, the artist Rini Templeton, community murals, and a presentation transcript about the sculpture Farm Workers' Altar; printed materials that include a bumper sticker and flyer designed by Martinez, photocopies of a poem and sketch by Martinez, and a book of writings on Mexican and Spanish Americans signed by George Garcia; photographs of Martinez as a child, in portraits, painting, and at events; and a scrapbook documenting the history of murals and Chicano art in Colorado through clippings and one letter of congratulations from former Representative Patricia Schroeder. There is a 7.0 linear foot unprocessed addition to this collection donated in 2021 that includes documents of encounters with the law from his youth, such as citations for minor crimes. These documents are remarkable in light of the arc of Martinez's career after being recruited by Corky Gonzalez to the Chicano Movement as a troubled young man to today, where he is a respected arts activist with a focus on mural-making with incarcerated youth. There is also correspondence with Chicano Movement figures and project files with a variety of documents related to specific mural projects across the country, correspondence concerning the publication of book title, a scrapbook, printed materials, sound recordings, video recordings, and photographs.

The research material of Tomás Ybarra-Frausto, measures 33.1 linear feet and 1.27 GB and dates from 1965-2004. The collection, amassed throughout Ybarra-Frausto's long and distinguished career as a scholar of the arts and humanities, documents the development of Chicano art in the United States and chronicles Ybarra-Frausto's role as a community leader and scholar in the political and artistic Chicano movement from its inception in the 1960s to the present day.

Interview of James Lechay, conducted by Robert F. Brown for the Archives of American Art, Smithsonian Institution at Lechay's home in Wellfleet, Massachusetts, on July 9-Aug. 26, 1998.

An extensive and comprehensive collection of posters from World War I and World War II.

The Emmy Lou Packard papers measure 9.4 linear feet and date from 1900 to 1990, and focus on the career of painter, printmaker, muralist, and sculptor Emmy Lou Packard. Also found are extensive materials relating to Packard's personal and professional relationship with muralist Diego Rivera and painter Frida Kahlo, with whom Packard lived for one year in Mexico. Papers include correspondence, financial records, notes, writings, exhibition files, photographs, and printed material.

The papers of graphic artist, muralist, and activist Hugo Gellert measure 6.9 linear feet and date from 1916 to 1986. They document his career as an artist and organizer for the radical political left through an interview, legal papers, financial records, family papers, artifacts, correspondence, writings, organizational records, extensive printed materials (many of them illustrated by Gellert), photographs, and artwork.