Toshihiko Koyama has written:
'Genji monogatari kyutei gyoji no tenkai'
'Genji monogatari to fudo'
Toshihiko Asakawa has written: 'Gendai to seinen mondai' -- subject(s): Youth
Takeo Koyama has written: 'Watakushi no mita Chugoku tairiku gojunen'
Fumio Koyama has written: 'Bummei no naka no otokotachi' -- subject(s): History, Intellectual life
Toshihiko Kawasaki has written: 'Bunseki hihyo nyumon' -- subject(s): Criticism, History and criticism, Japanese literature
Toshihiko Koshida has written: 'Wakariyasuku toku Nihon keizai sengo to genzai' -- subject(s): Economic conditions
Naotsugu Koyama has written: 'Echi-sa no densetsu' -- subject(s): Japan, Legends, Niigata (Prefecture)
Toshihiko Izu has written: 'Senjika ni ikiru' -- subject(s): Bombardment, 1945, World War, 1939-1945
Toshihiko Takasaki has written: 'Hirano Ken kandan' -- subject(s): History and criticism, Criticism and interpretation, Japanese literature
Toshihiko Matsui has written: 'Masaoka Shiki' -- subject(s): 20th century, Biography, Japanese Poets, Poets, Japanese
Toshihiko Hayashi has written: 'Monetary equilibrium in two classes of stationary economies' -- subject(s): Equilibrium (Economics), Mathematical models, Money 'The neutrality of money in a growing economy' -- subject(s): Mathematical models, Money 'Mikuro keizaigaku'
Noboru Koyama has written: 'Chusai no kenkyu' 'Minji soshoho (Gendai horitsugaku zenshu)' 'Tasu tojisha sosho no kenkyu' 'Hanketsuko no kenkyu' 'Minji saiban no honshitsu o sagashite' 'Sosho koi, rissho sekinin, sosho yoken no kenkyu'
Hirotake Koyama has written: 'Sengo Nihon Kyosanto shi' -- subject(s): Nihon Kyosanto, Communism 'Senzen Nihon Marukusu shugi to gunji kagaku' -- subject(s): History, Socialism, Military art and science, War and socialism 'Nihon teikoku shugishi' -- subject(s): Foreign relations