Ulrich's International Periodicals Directory．1996．1，Classified List of Subjects：A-D Ulrich's International Periodicals Directory．1996．2，Classified List of Subjects：E-L Ulrich's International Periodicals Directory．1996．3，Classified List of Subjects：M-Z Ulrich's International Periodicals Directory．1996．4，Indexes Ulrich's International Periodicals Directory．1996．5，Indexes U.S. Newspapers and Newspaper Index