Annie Beasant,dharma(Madras:Theosophical Publishing House,1964),1.
S.Radhakrishnan,the Bhagvadita(n.a),189-90. Here the reference is from shlokas VII & VIII of chapter IV.
Manu II:12 on the sources of dharma.
Dhananjay Vasudeo Dwivedi, “THOUGHTS FOR HUMEN RIGHTS IN VEDIC TRADITION” The Indian journal of political science.