Hēgeru tetsugaku monogatari

Hēgeru tetsugaku monogatari

Hēgeru tetsugaku kenkyuu

Hēgeru to rekishi tetsugaku

Hēgeru tetsugaku to benshouhou

Hēgeru tetsugaku to benshouhou

Hēgeru tetsugaku no hihan

Seiyou tetsugaku monogatari

Hēgeru ron

Hēgeru to hēgeru shugi : 100nenki kinen

Gengo tetsugaku

Seibutsu tetsugaku

Hēgeru benshouhou hihan

Hēgeru benshouhou hihan

Tetsugaku

Tetsugaku

Seitetsu yume monogatari

Junsei tetsugaku : shiopenhawā tetsugaku teiyou

Bukkyou tetsugaku : junsei tetsugakuka chuutouyou tetsugaku

Tetsugaku gokai

Hēgeru jinrin shisou no kenkyuu

Shin tetsugaku taikei : kachi no tetsugaku

Gengo tetsugaku to gengo kyouwakoku

Sonzai to gaku : hēgeru ronri no gaku kenkyuu josetsu

Tetsugaku wa nani o shitaka : yuibutsu benshouhou no tetsugaku