Columbia subject headings:
Harvard subject headings:
Church and social problems--Catholic Church--History--19th century.
Church and social problems--Germany--History--19th century.
Germany--Economic conditions--1888-1918
Germany--Social conditions--1871-1918
Hunger--Religious aspects--Catholic Church
Poverty--Religious aspects--Catholic Church
Working poor--Germany--History--19th century.
Princeton subject headings:
Church and social problems--Catholic Church--History--19th century.
Church and social problems--Germany--History--19th century.
Germany--Economic conditions--1888-1918.
Germany--Social conditions--1871-1918.
Hunger--Religious aspects--Catholic Church.
Poverty--Religious aspects--Catholic Church.
Working poor--Germany--History--19th century.