Principles of economic sociology : the economics of primitive life as illustrated from the Bantu peo
by D. M. Goodfellow.1939 年出版289 页ISBN：
THE UNITED STATES AND THE HORN OF AFRICA AN ANALYTICAL STUDY OF PATTERN AND PROCESS
OKBAZGHI YOHANNES1997 年出版353 页ISBN：081333361X
Mark Twain's Mysterious Stranger A Study of the Manuscript Texts
1978 年出版252 页ISBN：0826202365
Shakespeare's Vast Romance A Study of The Winter's Tale
1980 年出版174 页ISBN：0826202861
AN INTRODUCTION TO THE SCIENTIFIC STUDY OF THE SOIL FIFTH EDITION
1973 年出版209 页ISBN：0713124075
SOLAR DISTILLATION A Practical Study of a Wide Range of Stills and Their Optimum Design
Construction and Performance1982 年出版175 页ISBN：0080286798
THE ANTITRUST LAWS OF THE U.S.A.:A STUDY OF COMPETITION EDFORCED BY LAW:THIRD EDITION
A.D.NEALE1980 年出版531 页ISBN：0521280443
