Microsoft Word has a tool specifically to help create tables of authority for legal documents, and it can be a big time-saver when working with long briefs.
Here's how to do it in Word 365:
If you add, delete, move, or edit a citation or other text in a document, you should update the table of authorities. For example, if you edit a citation and move it to a different page, you need to make sure that the table of authorities reflects the revised citation and page number. To update the table of authorities, click to the left of it and press F9.
Don’t modify the entries in the finished table of authorities; if you do, your changes will be lost when you update the table of authorities.
To change a table of authorities entry, you need to modify the text in the table of authorities entry field.
If you don't see the TA fields, click Show/Hide [Paragraph mark] [Button image] in the Paragraph group on the Home tab.