| Graphic Communications International Union Convention Proceedings |
| American Photoengraver |
| Graphic Arts International Union Convention Proceedings |
| Graphic Communicator |
| International Brotherhood of Bookbinders Constitutions and Bylaws |
| News and Views |
| Photo Engravers Bulletin |
| International Stereotypers and Electrotypers Journal |
| Lithographers and Photo Engravers International Union Biennial Convention Proceedings |
| Graphic Arts Unionist |
| Graphic Arts International Union Council Minutes |
| American Pressman |
| International Brotherhood of Bookbinders Convention Proceedings |
| Union Tabloid |
| International Brotherhood of Bookbinders Council Minutes |
| Specialty Worker |
| International Photo Engravers Union Officers’ Reports and Convention Proceedings |
| Ernest L. Horne Papers |
| (11453) General Motors Strike, Fleetwood Plant, Detroit, Michigan, 1939 |
| (11452) Briggs Strike, Detroit, Michigan, 1939 |
| (11451) Conventions, UAW-AFL, Detroit, Michigan, 1939 |
| (11450) UAW-CIO, UAW-AFL, Flint, Michigan, 1939 |
| (4715) Children, Pickets, Flint, Michigan, 1937 |
| (11477) Tutu, Bieber, Robinson, Shell Boycott, Washington DC, 1986 |
| (11479) Demonstration, Shell Boycott, Detroit, Michigan |
| (11478) Tutu, Bieber, Yarrow, Travers, Washington DC, 1986 |
| (11482) Desmond Tutu, Demonstration, Washington DC, 1982 |
| (11483) Desmond Tutu, Owen Bieber, Demonstration, Washington DC, 1986 |
| (11476) Owen Bieber, Marc Stepp, Arrests, South African Embassy, Washington, DC |
| (11475) Mandela, Young, Bieber, Detroit, Michigan, 1990 |
