Shingen Takagi

1930

• Kūkai
• Kōbō Daishi to Shingonshū
• Bukkyō bunka no shosō
• Kōbō Daishi no shokan
• Kobō Daishi no shokan
• Koten yōga taikei no kenkyū
• Kūkai
• Kūkai no zahyō
• Kūkai nyūmon
• Kūkai shisō no shoshiteki kenkyū
• Kūkai to Saichō no tegami
• Mātara hyōchū no genten kaimei