. . "A Partial documentation of the Sorge espionage case"@en . . . . . . . . . . . "Shōwa 17 nenjū ni okeru gaiji kaisatsu gaikyō"@en . . "Sorge case materials"@en . . "Extracts from an authenticated translation of Foreign affairs yearbook. 1942, Criminal Affairs Bureau, Ministry of Justice, Tokyo, Japan"@en . . . . . . . . .