document: {"document":{"title":"na","text":"Copyright Restrictions upon Materials in our Holdings Some documents - including images, sound, cartographic, textual, or electronic materials - found in our holdings may be copyrighted. Please note that it is your responsibility to identify the copyright owner and to obtain permission before making use of this material in any way. We have provided a Source and Permissions Contact List for some motion pictures, sound and video which may assist you. If you have questions about this process, please contact us. ","paragraphs":null,"sentences":null,"language":null},"classifications":[{"level":"document-Union","labels":["Practice not covered"],"label_definitions":null}]}