Letterpress books containing correspondence of the Samuel Gompers, and William Green, presidents of the American Federation of Labor (AFL), and other officials including James Duncan, Gabriel Edmonston, Frank K. Foster, and John McBride. Includes material pertaining to the formation of local unions, charters, bylaws, conduct of meetings, ethics, publicity, fund raising, arbitration, and boycotts. Subjects include the political principles of the AFL, communism, socialism, the anthracite coal strikes of 1897 and 1902, American Railway Union, International Association of Machinists, International Brotherhood of Teamsters, United Mine Workers of America, and The American Federationist, magazine of the AFL. Correspondents include Susan B. Anthony, Grover Cleveland, William Hugh Johnston, John L. Lewis, L.J. McGruder, P.J. McGuire, John Mitchell, John Morrison, Herman Robinson, Theodore Roosevelt, Daniel Joseph Tobin, Henry White, and Woodrow Wilson.