Columbia subject headings:
Catholics--Michigan--Detroit--Social conditions.
Detroit (Mich.)--Social conditions.
Polish Americans--Michigan--Detroit--Social conditions.
Harvard subject headings:
Catholics--Michigan--Detroit--Social conditions.
Detroit (Mich.)--Social conditions.
Polish Americans--Michigan--Detroit--Social conditions.
Princeton subject headings:
Catholics--Michigan--Detroit--Social conditions.
Detroit (Mich.)--Social conditions.
Polish Americans--Michigan--Detroit--Social conditions.