The collection consists of materials by or pertaining to artist and illustrator Giacomo Patri. Includes biographical materials about the artist as well as labor union pamphlets and handbooks for the Marine Cooks and Stewards Association, the International Longshore and Warehouse Union Local 6, and the Pile Drivers, Bridge, Wharf and Dock Builders Local 34. Also includes a collection of Patri's work published in the San Francisco Chronicle from 1942 to 1943, news clippings with political cartoons by Patri dating from 1939, examples of Patri's work in the form of tattoos, and a Museo Italo gallery program, "Giacomo Patri Retrospective, 1930-1978."