Follow the link to the field code you're interested in, in the alphabetized list below.
Note: For detailed information about inserting and editing field codes, using switches, setting and changing properties, displaying results vs. field codes, locking fields, and other common tasks, see Insert, edit, and view fields in Word.
RD (Referenced Document) field
TA (Table of Authorities Entry) field
TC (Table of Contents Entry) field
TOA (Table of Authorities) field