Columbia subject headings:
United States. Patent and Trademark Office--Appropriations and expenditures.
United States. Patent and Trademark Office--Management.
Harvard subject headings:
United States. Patent and Trademark Office--Appropriations and expenditures.
United States. Patent and Trademark Office--Management.
Princeton subject headings:
United States. Patent and Trademark Office--Appropriations and expenditures.
United States. Patent and Trademark Office--Management.