This folder contains correspondence and other documents relating to Edison's membership and activities in social clubs and professional societies. Among the documents for 1908 are items pertaining to Edison's support for the Republican party and the local National Guard unit. There are also letters concerning the American Society of Mechanical Engineers, the Young Men's Christian Association of the Oranges, and numerous other professional societies, philanthropic organizations, automobile clubs, and booster clubs. Some of the items contain Edison marginalia.

Less than 10 percent of the documents have been selected. The items not selected consist primarily of announcements, invitations that Edison declined, and correspondence from organizations in which he did not participate.