This volume is a survey of the historical development of Persian grammar in its Western Branch, within the larger division of Persian linguistic scholarship. It focuses on the contributions of a number of distinguished scholars, including Sir William Jones, John Platts, Matthew Lumsden, D. C. Phillott, and A. K. S. Lambton, among others, who have used their deep knowledge of the Persian language, its literature, and history to illustrate its major structural properties and parametric variations. The outstanding linguistic and pedagogical achievements of these scholars, for whom Persian is a foreign language, must inspire our admiration, for the expression of which we do not have adequate words.