C6.2. Electronic location and access of finding aids (Collection-Level Cataloging - Personal name and corporate body added entry headings)
This field may be used to specify the location or means of access to electronic finding aids prepared for collections or parts of collections.
856 7# $3 finding aid $d http://lcweb.loc.gov/rr/mopic/indian2.html $n Library of Congress, Washington, D.C. $2 file
See also:
Appendix C6. Personal name and corporate body added entry headings