Internationales Institut für Arbeitsfragen
International Institute for Labor Studies
International Institute of Labour Studies
Institut international d'études sociales
Instituto Internacional de Estudios Laborales
Geneva. International Institute for Labour Studies
IIES
I.I.E.S
IILS
I.I.L.S
International Labour Organisation. International Institute for Labour Studies
al-Maʿhad al-Dawlī li-Dirāsāt al-ʿAmal
المعهد الدولي لدراسات العمل
国際労働問題研究所(コクサイ ロウドウ モンダイ ケンキュウジョ)