Labels and symbols in the Control Headings window

• All elements in the heading exactly match single authority records.

• At least two elements in the heading match single authority records. At least one element in the heading was not matched to an authority record.

• Only one element in the heading exactly matches a single authority record. At least one element in the heading was not matched to an authority record.

• The heading matches an 18x authority record.
  Or
• The geographic subdivision matches a 781 field in a 151 authority record.

• The entire heading is associated with a single authority record.

• The geographic subdivision matches the 151 form of the heading.
• No 781 field was found in the 151 authority record.

• Double angle brackets indicate that the heading does not match a record for an established heading but does match a cross-reference.
• When the cross-reference appears in a single authority record, the system automatically suggests heading(s) using the preferred form.
• All cross-referenced forms are listed. You select the preferred form most appropriate for use in the record you are editing.

• Indicates that you should check the linked authority record before inserting the heading, to verify that this is an appropriate subject heading for the name in the bibliographic record.

• The system determined that this element is invalid for use as a subdivision.
• You cannot append this element when building a heading.

• The form of the main entry in the bibliographic record matches a reference record.
• The current form cannot be used to build a controlled heading.
• In the New Query box, revise the text and retry the search for a matching authority record.

• The heading or subdivision was not matched to an authority record.
• Check the heading or subdivision for typing errors.

• The main entry can be subdivided geographically.
• You can build a controlled heading by appending a geographic subdivision.

• The highlighted elements of the heading exactly match a single authority record. However, they are separated by a geographic subdivision.

• Each entry in headings presented for consideration is labeled with the Library of Congress thesaurus of origin.

Examples:

• LC Name
• LC Subject
• LC Name/Subject - This label means that the heading contains at least one element from the LC Name thesaurus and one from the LC Subject thesaurus.
• LC Genre

• Connexion automatically controls the heading to three authority records.
• The Control Headings window does not open.

• The Control Headings window opens.
• Click Insert Heading next to the fully controlled 600 heading: 600 10 Houston, Bud ‡v Anecdotes
• The heading is fully controlled to two authority records.
• The heading with the invalid geographic subdivision is labeled Multi-controlled.

• The Control Headings window opens.
• The main entry matches cross-references to two preferred headings. Both preferred forms are listed: Charity and Charities.
• Click Modify Heading next to Charities.
• The system suggests a list of headings.
• Click Insert Heading next to the fully controlled 650 heading: 650 _0 Charities ‡z Mississippi ‡x Accounting

   Note: If you click Modify Heading next to Charity, you see that it cannot be geographically subdivided.

• The Control Headings window opens.
• The system shows no match for the main entry because County is misspelled Country.
• In the New Query box, correct the error, and then click Match Best.
• The system returns an exact match for the corrected heading.
• Click Insert Heading next to the fully controlled 651 heading: 651 _0 Mississippi County (Mo.) ‡x History, Military ‡v Diaries