The author and publisher gratefully acknowledge permission to use the following material:
Letter written by Dorothy Bowen to Marjorie Gal.
Letters, diaries, and oral histories from the Hoover Library.
Except where noted, the photographs in this book are taken from the collection of the Herbert Hoover Presidential Library in West Branch, Iowa.
Every reasonable effort has been made to trace the owners of copyright materials in this book, but in some instances this has proven impossible. The author and publisher will be glad to receive information leading to more complete acknowledgments in subsequent printings of the book and in the meantime extend their apologies for any omissions.