THE AMERICAN DIRECTORY OF WRITER'S GUIDELINES
JOHN C.MUTCHLER1997 年出版527 页ISBN：1884956009
Directory of Information Management Software For Libraries
Information Centers Record Centers1985 年出版239 页ISBN：
Directory of Graduate programs : 1986 & 1987.volume D
Graduate Record Examinations Board.2222 年出版440 页ISBN：0886850274
The Directory of CHEMICAL ENGINEERING CONSULTANTS Fifth Edition
1984 年出版26 页ISBN：0816903220
The Directory of CONSULTANTS in ROBOTICS AND MECHANICS
1985 年出版239 页ISBN：0892350962
THE INTERNATIONAL DIRECTORY OF DISTINGUISHED LEADERSHIP SECOND EDITION
1989 年出版661 页ISBN：0934544484
THE CENTERWATCH DIRECTORY OF DRUGS IN CLINICAL TRIALS
KRISTEN ESCHMANN2001 年出版737 页ISBN：1930624182
