The collection consists of approximately 350 photographs of Mexican revolutionary and President Venustiano Carranza, including depictions of Carranza on national tours and in areas being attacked by Revolutionaries during his time as Mexico’s president (1917-20). Photographs in the collection also include portraits of Carranza and other prominent Mexican figures, including Isidro Fabela and Álvaro Obregón.

The collection contains materials related to Chilean history and the Movimiento de Izquierda Revolucionaria (MIR), a communist and former urban guerrilla organization founded in Chile in 1965. Items in the collection include news clippings related to the MIR, speeches by Juntas and policy statements, and publications and other materials related to Chilean opposition materials produced in Quebec post-1973.

The collection contains black and white photographs taken during the Mexican Revolution in the early 20th century. Photographs in the collection cover various locations, battles, soldiers, and important figures such as Álvaro Obregón, Francisco Madero, Pancho Villa and Pascual Orozco.

This collection consists of around 1500 photographs and photographic postcards featuring the people, places, and events significant to the Mexican Revolution (1910-1920) from the studio of Luis Ramirez Pimentel, including many images from the Chihuahua Campaigns (circa 1910-1913).

The collection consists mainly of photographs of Francisco “Pancho” Villa, a Mexican Revolutionary general and prominent figure during the Mexican Revolution in the early 20th century. Photographs in the collection include portraits of Villa, Villa with his troops and other military figures, Villa's murder in 1923, and photographs of Villa’s family.