Ikuo Oyama was a Japanese academic, politician, political scientist and writer.
Ikuo Oyama in 1951, photo by Ken Domon
Political dissidence in the Empire of Japan covers individual Japanese dissidents against the policies of the Empire of Japan.
Kotoku Shusui, an early Japanese anarchist
A photograph of the Heimin-sha (Commoners' Society), who published the Heimin Shimbun