| 1. | Tonus Labor, Bern, 2002, 2003 + 2004. Tonus Labor, Berne (Suisse), 2002, 2003 et 2004. |
| 2. | Is a member of the Fair Labor Association. MEC est membre de la Fair Labor Association. |
| 3. | Labor W was renamed 'Sennheiser electronic' in 1958. Labor W a été renommé Sennheiser électronique en 1958. |
| 4. | ISBN 84-7782-776-1 Barjau, Santi: Enric Sagnier, Labor, Barcelona, 1992. (ISBN 84-7782-776-1) Barjau, Santi: Enric Sagnier, Labor, Barcelona, 1992. |
| 5. | London joined the Socialist Labor Party in April 1896. Il adhère au Socialist Labor Party en avril 1896. |
| 6. | War Labor Policies Board. National War Labor Board. |
| 7. | He is also a founding member of the group Open Labour. Il est également membre fondateur du groupe Open Labor. |
| 8. | In 1866, William H. Sylvis formed the National Labor Union (NLU). Wiiliam H. Sylvis forma le syndicat National Labor Union (NLU). |
| 9. | Free Labor: Producing Culture for the Digital Economy – Summer 2000. Free Labor: Producing Culture for the Digital Economy – Été 2000. |
| 10. | Closely linked to the Central Labor Union was the United Labor Party. Le Central Labor Union était très lié au United Labor Party. |