The preparation of a volume of worldwide research contributions can be a time consuming task which is frequently more difficult than many other types of book. This particular venture was made easier by the assistance of many people. Therefore, we wish to acknowledge: the suggestions, academic support and direction of Dr. Kenneth M. Weiss, our American editor; the assistance of the staff of the Department of Sociology and Anthropology at the University of Northern Iowa, particularly the generous and congenial efforts of Ms. Rosemarie Skaine and Mrs. Heidi Anderegg whose computer and...