"imprisonment in Siberia" . "Japanese Army Prisoners of War" . "Siberian Internment" . "prisoners of war captured by the Red Army" . . "Japanese prisoners" . "internment in Siberia" . "Russian concentration camp" . . "Japanese prisoners of war in the Soviet Union" . . "internee in the Soviet Union" . "prisoners" . "prisoners-of-war" . "prison" . . . . "Siberia" . "Siberia for forced labor" . . "prisoner of war in Siberia" . "Japanese prisoners of war" . "Japanese" . "a deceased father and others" . . . . "Those taken by the Soviet Union" . "prisoner of war" . "sent to Siberia" . "Japanese prisoners of war in the Soviet Union" . "interned in a prisoner-of-war camp in the Soviet Union" . "Siberian labor camp" . "prisoners of war in Siberia" . "held in Soviet work camps" . . "return of half a million servicemen and detainees from Soviet internment" . "Japanese prisoners of war in Sakhalin" .