The Oxford encyclopedia of food and drink in America Second Edition Volume 2
Andrew F.Smith2013 年出版840 页ISBN：0199734962
TELECOURSE GUIDE FOR AMERICA IN PERSPECTIVE U.S.HISTORY SINCE 1877 FOURTH EDITION
KENNETH G.ALFERS2001 年出版256 页ISBN：0321084519
The Oxford encyclopedia of food and drink in America Second Edition Volume 3
Andrew F.Smith2013 年出版850 页ISBN：0199734962
Estrategias para mejorar el maneijo de las regiones aridas de America Latina
Por J. A. Mabbutt and H. J. Schneider1981 年出版30 页ISBN：9280802399
Soil Science Society of America journal: v66 no3 May-June 2002
2002 年出版1086 页ISBN：
