http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Economic organisation in ancient India, 200 B.C.-200 A.D
by Shyamsunder Nigam; with a foreword by G. P. Gupta.
A revision of the author's thesis, Vikram University, Ujjain.