Juhani Niemi has written:
'Kullervosta rauhan erakkoon' -- subject(s): Finnish literature,
History and criticism, Peace in literature, War in literature
'Hiidenkiven arvoitus' -- subject(s): Finnish literature,
History and criticism
'Proosan murros'
'Paavo Cajander' -- subject(s): Biography, Swedish literature,
Translations into Finnish, Translators