Dai 2sei no nihon ryuugaku ni tsuite

Nihon no shourai ni tsuite

Nihon no kokutai ni tsuite

Dai niji sekai taisen ni tsuite

Nihon genji no zaisei ni tsuite

Nihon no kirisutokyou kyouiku ni tsuite

Nihon ryuugaku shishou

Nihon keizai genri no kakuritsu ni tsuite

Teiten no nihonga ni tsuite

Nihonjin no suwarikata ni tsuite

Nihon kougyou manshuu ichuu no youryou ni tsuite

Nihon no gaikasai ni tsuite

Kokusai renmei ni tsuite sekai no shinjijou to nihon teikoku

Ookawa shuumei shi no gakuteki ryoushin ni uttau : nihon 2600nenshi ni tsuite

Tsuzurikata kyouiku ni tsuite : gendai nihon no kenkyuu

Beihai no riyou ni tsuite kondate ni tsuite

Shin nihonshu no seizou ni tsuite

Kaigai dai 2sei mondai

Kokutai no hongi ni tsuite

Zenjinrui no anjuu to koukoku nihon no shimei ni tsuite

Zenjinrui no anjuu to koukoku nihon no shimei ni tsuite

Nihon shinbun rengousha souritsu ni tsuite

Nihon seishin oyobi nihon no yukikata ni tsuite

Genzai oyobi shourai no nihon keizai mondai ni tsuite

Jingi no honshitsu ni tsuite