GLOBAL DUST BOWL:DAN WE STOP THE DESTRUCTION OF THE LAND BEFORE IT'S TOO LATE?
1990 年出版126 页ISBN:0806624485
THE DBASE II CASH MANAGER:CASH RECEIPTS/CASH DISBURSEMENTS FOR THE SMALL BUSINESS OWNER OR ACCOUNTAN
1985 年出版248 页ISBN:0131960237
ANATOMY OF INTERNATIONAL LAW A STUDY OF THE ROLE OF INTERNATIONAL LAW IN THE CONTEMPORARY WORLD
1981 年出版146 页ISBN:0421280107