29.

Agrawal. O. P., Narain, H., Prakash, J. and Bhatia, S. K, 1992, Development of Iron Metallurgy in Ancient India, ArcheometallurgiaRicherche e Prospettive, Bologna.

30.

Agarwal, P.K, 1998, Early Indian literature as a source of archaeometallurgy. In Archaeometallurgy in India (Ed.) Vibha Tripathi. Delhi: Sharada Publishing House. Pp 307-311.

31.

Agrawal, D.P, 2000, Ancient Metal Technology and Archaeology of South Asia. New Delhi: Aryan Books International. Pp. 204-214.

32.

Agrawal, D.P, 2000, Ancient Metal Technology and Archaeology of South Asia. New Delhi: Aryan Books International. Pp. 204-214.

33.

Agrawal, D.P. Ancient metal technology Archeology of south. New Delhi. Aryan book Intt., 2000, 254p.

34.

Agrawal, D.P, 2003,Bronze and iron ages in South Asia, New Delhi, Aryan Books International,322p

35.

Agrawal, R.C, 1984,Aravalli, the major source of copper for the Indus Civilization and Indus related cultures.

36.

Agrawal, R.C. and Vijaya Kumar, 1976,The problems of PGW and iron in northeastern Rajasthan. In Mahabharat, Myth and Reality (Eds.) S.P. Gupta and S.K. Ramachandran. Delhi: AgamPrakashan. Pp. 241-44.

37.

Anantharaman, T. R, 1997, theRustless Wonder, VigyanPrasar, New Delhi.

38.

Allchin, F.R, (1979), South Asian Archaeology 1975: Papers from the Third International Conference of the Association of South Asian Archaeologists in Western Europe, Held in Paris edited by J. E.vanLohuizen-de Leeuw, Brill Academic Publishers, ISBN 9004059962.

39.

Altekar, AnantSadashiv, 1992, Catalogue of the Gupta gold coins in the Bayana Hoard, Patna, Eastern Book House, 363p

40.

Altekar, AnantSadashiv, 1992,Catalogue of the Gupta gold coins in the Bayana Hoard, Patna, Eastern book House,363p

41.

Archaeometallurgy in India, 1991, Proceedings of the First National Seminar in Indian Archaeometallurgy, Sharda Publishing Ltd., New Delhi.

42.

Asthana, Shashi, 1993,Harappan trade in metals and minerals: a regional approach. In Harappan Civilization: A Contemporary Perspective (Ed). G.L. Possehl. New Delhi: Oxford and IBH Publishing. Pp. 271-85.

43.

Allan, J. & Stern, S. M. (2008), coin, Encyclopedia Britannica.

44.

Ahmad, S. (2005), "Rise and Decline of the Economy of Bengal", Asian Affairs, 27 (3): 526.

45.

Agrawal, D.P,2000, Ancient Metal Technology and Archaeology of South Asia (A Pan - Asian Perspective) Aryan Book International, Delhi,

46.

Biswas, , 1996, A.K. Minerals and Metals in Ancient India - (in two volumes), D.K. Print World, Delhi

47.

Bag, A.K. (Ed.) Metal and metallurgy In History of Technology in India New Delhi: Indian National Science Academy. Pp. 136-143.

48.

Brown, C.J,2009,The coins of India,Delhi, Bharatiya Kala Prakashan,162p

49.

Balasubramanium, R. (June 2002), A New Study of the Dhar Iron Pillar, IJHS, 37/2115-151p.

50.

Balasubramanium, R. (2008), Scientific materials , equipments and techniques in conservation of the Delhi Iron Pillar example, Conservation of Cultural Properties in India, 37 1-12p

51.

Balasubramaniam, R, 1997, New insights on the corrosion of the Delhi Iron Pillar based on historical and dimensional analysis. Current Science l73 (12): 57-677.

52.

Balasubramaniam, R, 1999,Some aspects of presence of lead in the Delhi Iron Pillar. Current Science 77 (5): 681-86.

53.

Ball, V, 1869,On the ancient copper miners of Singhbhum. In Proceedings of the Asiatic Society of Bengal. Pp.170-75.

54.

Banerjee, M.N, 1932,A note on iron in Rgvedic age. Indian Historical Quarterly. 8: 364-36.

55.

Ballal, N.B. et al, 1990, Interim Report on Indigenous Iron and Steel making Technology of India. Delhi: Dept. of Metallurgy. IIT.

56.

Banerjee, N.R, 1965, The Iron Age in India. Delhi: MunshiramManoharlal

57.

Banerjee, A. and Mookerjee, A, 1984, Origin of mining. In Coal Mining in Indian (Ed.) S.N.Prashad and Mookerjee.Ranchi: CEMPDIL. Pp.3-6..