THE GIVIL RIGHTS MOVEMENT REVISED EDITION
BRUCE J.DIERENFIELD2008 年出版179 页ISBN：
PICTURESQUE WORD ORIGINS WITH FORTY-FIVE ILLUSTRATIVE DRAWINGS
MASSACHUSETTS1933 年出版0 页ISBN：
The principles of the law of contract
by A. J. Kerr1980 年出版531 页ISBN：0409037443
