Sarasvati, Swami Satya Prakash. Coinage in ancient India, v.1 numismatic archaev chemical and metallurgical study of ancient indian coins by Swami Satya Prakash Sarasvati and Rajendra Singh - Delhi Govindaram Hasanand 1986 - xxiv, 268p. ISBN: 8170770084 Dewey Class. No.: 737.4934 / N86.1