Berlitz General Union - Japan - Formed in the early 1990s in response to working conditions at Berlitz LCs throughout Japan. News, work rules, contract text, and links available in Japanese and English.
General Union - Works to protect the rights of foreign and native workers in Japan, mainly teachers but inclusive of any industry.
Japan Institute for Labour Policy and Training - Contributes to the planning of labor policies and works toward implementation, as well as to promote the livelihood of workers and the development of the national economy.
Nambu Foreign Workers Caucus - Promotes the welfare of foreign and Japanese workers in Japan, and as well as human rights, professional development and working conditions of all workers, regardless of nationality.
Nokyo: A Short Cultural History - Examines Japan's agricultural unions, their political power, support of protectionism, and reforms.
Rengo - English site for Rengo, the Japanese Trade Union Confederation.