Gopalakkrishnan, Panikkanparambil Kesavan
Development of economic ideas in India (1880-1914) / Panikkanparambil Kesavan Gopalakkrishnan
Institute of Social Studies, 1954
 Buku Teks
Malhotra, Karamjit K.
The eighteenth century in Sikh history: political resurgence, religious and social life, and cultural articulation
Oxford University Press, 2016
 eBooks
Datta, Kalikinkar
survey of India's social life and economic condition in the eighteenth century 1707-1813
Munshiram Manoharal, 1976
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Whitehead, Alfred North, 1861-1947
Adventures of ideas
The New American Library, 1933
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The social & political ideas of some great thinkers of the renaissance and the reformation : a series of lectures delivered at King's College University of London
edited by F.J.C. Hearnshaw
Barnes & Noble, 1949
 Buku Teks