ISBN 0295973781 books & textbook
Medieval Agriculture and Islamic Science: The Almanac of a Yemeni Sultan (PUBLICATIONS ON THE NEAR EAST, UNIVERSITY OF WASHINGTON)
Varisco, Daniel Martin Umar Ibn Yusuf
Univ of Washington Pr /1994T Hardcover / 384 Pages
isbn-10: 0295973781 / isbn-13: 9780295973784
