Yowai yatsu tsuyoi yatsu

Yoi asobi tsuyoi karada

Chou no yowai ga manbyou no moto shinsetsu

Keizaiteki na tsuyoi konkurīto no tsukurikata

Warui yatsu hodo yoku nemuru [videorecording]

Shinsai ni tsuyoi machizukuri tenken map

Tsuyoi ko yoi ko

Shukutai denshikei ni okeru tsuyoi denshi koushi sougo sayou

Kyousha jakusha

米棉強弱観

Zairyou kyoujakugaku

Kouzou kyoujakugaku

Kekkou kyoujaku ron

強者と弱者

Teichien kouhinshitsu densouro ayamari ni tsuyoi onsei fugouka houshiki ni kansuru kenkyuu

Inochi o mamoru kenmin gensai undou : jishin ni tsuyoi machizukuri o mezashite : shidoushayou

銅界強弱区々

目先強弱如何

A Feeble Man

英独財力の強弱

格付決定と強弱

Shinpen zairyou kyoujakugaku

Gora Spa

Kyousha nimo jakusha nimo

Rikigaku oyobi zairyou kyoujakugaku