Agama-agama dunia : Hinduisme, Yudaisme, Buddhisme, Kristianitas, Islam, Sikhisme, Konfusianisme, Taoisme, Zoroastrianisme, Shintoisme, Kepercayaan Baha'i

Kebangkitan agama menantang politik dunia = The Descularization of the world /

God speaks again : an introduction to the Baha'i faith

The Signature of all things

Manufacturing and design : understanding the principles of how things are made