Columbia subject headings:
Government National Mortgage Association--Periodicals.
Housing--United States--Finance--Periodicals.
Mortgage loans--United States--Periodicals.
Mortgages--United States--Periodicals.
Harvard subject headings:
Princeton subject headings:
Government National Mortgage Association--Periodicals.
Housing--United States--Finance--Periodicals.
Mortgages--United States--Periodicals.
Periodicals.