Grateful acknowledgement is made to the following members of the National
Digital Library staff for their permission to use NDL web sites and content
Susan H Veccia, Project Director, National Digital Library of Congress
Leni Donlan, Educational Resources Specialist for the National Digital Library
Program, Library of Congress.
Karen Needles, Library of Congress Staff Development facilitator in the
Learning Center at the National Digital Library.
Linda White, Reference Librarian, Library of Congress
For Zach and Olivia