Principles of the conflict of laws national and international
by K. Lipstein.1981 年出版143 页ISBN：9024725445
Principles and practice of dermatology
De Launey;W. E.;Land;W. A.1978 年出版294 页ISBN：0409339407
PRINCIPLES AND PROCEDURES OF STATISTICS
ROBERT G.D.STEEL AND JAMES H.TORRIE1960 年出版481 页ISBN：
ATLAS OF HAEMATOLOGY AND THE PRINCIPLES OF DIAGNOSIS OF BLOOD DISEASES
W.LAWKOWICZ AND I.KRZEMINSKA-LAWKOWICZ2222 年出版286 页ISBN：
