1958-nendo undō hōshinsho (an) : Ippyō mo hoshu ni watasuna soshikihyō. - Zen Nihon Denki Kiki Rōdō Kumiai Rengōkai Teiki Taikai 1958 : Tochigi-ken, Japan) ([Japan : Zen Nihon Denki Kiki Rōdō Kumiai Rengōkai, 1958)
Keywords: Zen Nihon Denki Kiki Rōdō Kumiai Rengōkai -- Congresses; Labor Unions -- Japan -- Congresses