Includes bibliographical references (pages 251-307) and index.
Dedication
Delaware copy:Selected to honor Dr. Karen Lee Hill, on the occasion of receiving tenure-promotion;2003. DuBois copy:Purchased with funds from the obert E. and Joyce L. Umbaugh Libraries Endowment for the Penn State DuBois Campus Library;2002.
Endowment Note
Robert E. and Joyce L. Umbaugh Libraries Endowment for the Penn State DuBois Campus Library