Acknowledgments

We are indebted to the meticulous work of those who aided us in the completion of this volume. We especially thank David Bodin for his work both as a research assistant and for preparing the index. We wish to thank Theo Calderara, Marcela Maxfield, Alison Britton, Kathrin Immanuel, and Janish Ashwin and the entire staff at Oxford University Press who responded to our questions and suggestions for the volume. We also wish to thank our spouses, Angela Lehner, Gloria A. Muller and Patricia A. Stutzman-Roeber for their support and encouragement.