An Historical Disquisition Concerning The Knowledge which the Ancients had of India : And The Progress of Trade with that Country prior to the Discovery of the Passage to it by the Cape Of Good Hope / By William Robertson, D.D.F.R.S. Ed. Principal Of The University, And Historiographer To His Majesty For Scotland : With an Appendix, Containing Observations on the Civil Policy - the Laws and Judicial Proceedings - the Arts - the Sciences - and Religious Institutions, of the Indians