xxiv Preface terms, a general bibliography, a chronology by region, and a general subject index Acknowledgments In addition to Dr Pam J Crabtree and the members of the advisory board, we wish to thank the numerous scholars, journalists, and writers who contributed to this work At Facts On File, Claudia Schaab provided essential guidance throughout the project A special note of thanks is due to Paul Halsall, who operates the Internet History Sourcebooks This Web site supplied many of the primary source documents included in the encyclopedia —Neil Schlager and Marcia Merryman Means, Project Managers