White, Lynn
Medieval technology and social change
Oxford University Press, 1962
 Buku Teks SO
Du Bois, Cora Alice, 1903-1991
Social forces in Southeast Asia
University of Minesota Press, 1949
 Buku Teks
Social forces in the middle east
edited by Sydney Nettleton Fisher
Cornell University Press , 1955
 Buku Teks
Lo, Chi
Demystifying China's mega trends: the driving forces that will shake up China and the world
Emerald, 2017
 eBooks
Raychoudhary, S.C.
Social cultural and economic history of India (medieval age)
Surjeet Publications, 1984
 Buku Teks SO