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

Appendix C:  Collection-Level Cataloging