Avesta of particular manuscripts. A pre-Sasanian history of the Avesta, if it had one, is in the realm of legend and myth. The oldest surviving versions of these tales are found in the ninth to 11th century texts of Zoroastrian tradition (i.e. in the so-called "Pahlavi books"). The legends run as follows: The twenty-one "nask"s ("books") of the Avesta were created by Ahura Mazda and brought by Zoroaster to his patron Vishtaspa ("Denkard" 4A, 3A). Supposedly, Vishtaspa ("Dk" 3A) or another Kayanian, Daray ("Dk" 4B), then had two copies made, one of which was stored in the treasury, and the other
The Economic Writings of Sir William Petty The Economic Writings of Sir William Petty The Economic Writings of Sir William Petty is a book with texts, written by William Petty (1623-1687), and published in 1899 by Charles Henry Hull (1864-1936), in two volumes. The "Economic Writings" were published together with an introduction about the life and work of William Petty, and did also contain "Natural and Political Observations upon the Bills of Mortality," by John Graunt. This edition of the economic texts of William Petty, the scientist, who is often been called the founder of political economy, is used as a reference work ever since its publication.