PROBLEMS IN THE EDUCATION OF VISUALLY HANDICAPPED CHILDREN
RALPH VICKERS MERRY1933 年出版243 页ISBN：
Population problems in the United States and Canada;
Houghton Mifflin Company1926 年出版318 页ISBN：
NATIONAL SECURITY:ENDURING PROBLEMS IN A CHANGING DEFENSE ENVIRONMENT SECOND EDITION
DONALD M.SNOW1991 年出版320 页ISBN：031204626X
Contact problems in the classical theory of elasticity
G.M.L.Gladwell1980 年出版716 页ISBN：9028604405
PROGRESS IN INFERTILITY THIRD EDITION
S.J. BEHRMAN ROBERT W. KISTNER GRANT W.PATTON1988 年出版852 页ISBN：0316087750
SOCIAL PROBLEMS AND THE QUALITY OF LIFE EIGHTH EDITION
ROBERT H.LAUER AND JEANETTE C.LAUER2002 年出版0 页ISBN：
