"4/24" button, April 24

The collection includes buttons, keychains, flags, and banners that were collected by the Holt Labor Library and relate to various labor strikes, commemorative events, political party and labor union election campaigns, women's rights causes, anti-war activism and demonstrations, and socialist political causes. Black-and-white and color photographs, negatives and contact sheets which chronicle protests, demonstrations, and the interior of the Holt Labor Library in San Francisco, California are present as well, as is one portrait bust of Carl Skoglund and a sign from the Holt Labor Library.