- The Origins of Muhammad Jurisprudence (Oxford: Clarendon Press, 1950).
- An Introduction to Islamic Law (Oxford: Clarendon Press, 1964).
- Islamic Law, dalam The Encyclopedia of Social Sciences (1932).
- Pre Islamic Background and Early Development of Jurisprudence dalam Law in Middle East: Origins and Development (Washington, DC, The Middle East Institute, 1995).
- Theology and Law in Islam (Wiesbaden: Otto Harrosowitz, 1971).
