[1] John Finns., Natural law and Natural Rights. (Oxford University Press)

[2] Joseph Raz., The Authority of law. (Oxford University Press)

[3] Robert P. George., Natural Law Theory. (Oxford University Press)

[4] Francis Oakley., Natural Law, Laws of Nature, Natural Rights. (The Continuum International Publishing Group Inc.)

[5] Robert P. George., In Defense of Natural Law. (Oxford University Press)

1. John Finns., Natural law and Natural Rights. (Oxford University Press)
2. Joseph Raz., The Authority of law. (Oxford University Press)
3. Robert P. George., Natural Law Theory. (Oxford University Press)
4. Francis Oakley., Natural Law, Laws of Nature, Natural Rights. (The Continuum International Publishing Group Inc.)
5. Robert P. George., In Defense of Natural Law. (Oxford University Press)