TEACHER＇S GUIDE TO ACCOMPANY UNDERSTANDING ECONOMICS
DR.ALLEN W.SMITH1986 年出版154 页ISBN：0676398960
METAPHYSICAL GROUNDING UNDERSTANDING THE STRUCTURE OF REALITY
FABRICE CORREIA BENJAMIN SCHNIEDER2012 年出版311 页ISBN：1107022898
OPENING DOORS:UNDERSTANDING COLLEGE READING SECOND EDITION
JOE CORTINA JANET ELDER1998 年出版598 页ISBN：0070244707
OPENING DOORS:UNDERSTANDING COLEGE READING FOURTH EDITION
JOE CORTINA AND JANET ELDER2005 年出版744 页ISBN：
UNDERSTANDING PHYSICAL ANTHROPOLOGY AND ARCHEOLOGY EIGHTH EDITION
WILLIAM A.TURNBAUGH AND OTHERS2002 年出版557 页ISBN：
DICTIONARY OF LITERARY BIOGRAPHY·VOLUME FIFTEEN BRITISH NOVELISTS，1930-1959 PART 2：M-Z
1983 年出版713 页ISBN：0810316374
