Columbia subject headings:
Depository libraries--United States.
Government publications--United States.
Libraries--Special collections--Government publications.
United States. Government Printing Office.
Harvard subject headings:
Depository libraries--United States.
Government publications--United States.
Libraries--Special collections--Government publications
United States. Government Printing Office
Princeton subject headings:
Depository libraries--United States.
Government publications--United States.
Libraries--Special collections--Government publications.
United States. Government Printing Office