Tadashi Iwata has written:
'Tanka no tanoshisa'
'Gendai tanka no sekai' -- subject(s): History and criticism, Japanese poetry, Waka
'Kubota Utsubo ron' -- subject(s): Criticism and interpretation
Tadashi Fujiwara has written: 'Keigaku no hatten'
Takashi Iwata has written: 'Tokai no senken gunzo'
Tadashi. Tsugami has written: 'Maku no uchisoto de'
Tadashi Fukatsu has written: 'Shokubutsu Wamei no gogen'
Tadashi Nakamura has written: '\\' 'Human Face of Karate'
Tadashi Tamura has written: 'Furusato no kamigami to hotoketachi'
Tadashi Akiyama has written: 'Hayaku nete yo (Ehon hatorando)'
Iwata Nishizawa has written: 'Japan in the Taisho era' -- subject(s): Biography
Rei Iwata has written: 'Kazuki Yasuo' -- subject(s): Biography, Painters
Tadashi Kamiko has written: 'Shiki no ningengaku' -- subject(s): Conduct of life
Tadashi Iwama has written: 'Jitsuroku Miura to' -- subject(s): Miura family
Tadashi Kanehisa has written: 'Amami ni ikiru Nihon kodai bunka'