651 - Subject Added Entry--Geographic Name (R)

Indicators 1st -  Undefined
2nd -  Subject heading authority or Thesaurus
0 - LC (Library of Congress)
1 - LC subject headings for children's literature (LCAC)
2 - Medical subject headings; conforms to NLM (National Library of Medicine) authority files
3 - National Agricultural Library
4 - Source not specified
5 - Canadian subject headings
6 - French subject headings; Repetoire de vedettes - matiere; conforms to NLC authority fields
  7 - Source specified in subfield 2
Subfields _a  Geographic name (NR)
_e  Relator term (R)
  _v  Form subdivision (R)
  _x  General subdivision (R)
_y  Chronological subdivision (R)
_z  Geographic subdivision (R)
_0  Authority record control number (R)
_2  Source of heading or term (NR)
_3  Materials specified (NR)
_4  Relator code (R)
  _6  Linkage (NR)
  _8  Field link and sequence number (R)
Examples
651 #0 _aHawaii
_xDescription and travel
_y1981-
_xViews.
651 #7 _aUnited States
_xBoundaries.
_2sears