- The Six Systems of Indian Philosophy
- Die Darstellung des Völkermords an den Herero und Nama. Eine Schulbuchanalyse
- Ramakrishna: his Life and Saying: (Italian)
- Der Büro-Hippie: zwischen Märkten und Musik, Love änd Politik
- Rig-Veda-Sanhita: the Sacred Hymns of the Brahmans, together with the commentary of Sayanacharya, published under the patronage of the Right ... of State for India in Council - Vol. 4