We thank Chi Chi Wu, Margot Saunders, Lauren Saunders, John Rao, Olivia Wein, Elizabeth De Armond, Abby Shafroth, Andrew Pizor, Tara Twomey, Charles Delbaum, Mary Kingsley, Annie Chan, Emily Green Caplan, Kurt Terwilliger, Lucy Colby, and Allen Agnitti for their substantive contributions and legal research. We want to especially thank Denise Lisio for editorial supervision. Thanks also to Emilio Englade for editorial assistance; Shannon Halbrook for organizing the online companion materials; Shirlron Williams and Allen Agnitti for assistance with cite checking; Scribe for typesetting and composition services; Mary McLean for indexing; and iFactory and Codearium for designing and developing the website for the online version of this treatise.
This Ninth Edition builds on the prior eight editions and numerous annual supplements. As such, this edition is indebted to the efforts of over 100 individuals who contributed to this project starting over thirty years ago. There are now too many people to list here, but a collective thanks to everyone.