Access and Use
Copyright Status
Copyright in the unpublished writings of the Pierson, Rioch, and Layton families in these papers and in other collections of papers in the custody of the Library of Congress has been dedicated to the public.
Access and Restrictions
The papers of the Pierson, Rioch, and Layton families are open to research. Many collections are stored off-site and advance notice is needed to retrieve these items for research use. Researchers are advised to contact the Manuscript Reading Room prior to visiting.