Shudras in Ancient India: A Social History of the Lower Order down to circa A.D. 600 c17.s7.t2.10

Śūdras in Ancient India: A Social History of the Lower Order down to circa A.D. 600 c17.s7.t2.10

Michael Loewe, “Spices and Silk: Aspects of World Trade in the first Seven Centuries of the Christian Era,” *JRAS*, 1971, 166-79.