Columbia subject headings:
Harvard subject headings:
Austria--Economic conditions--Congresses.
England--Economic conditions--Congresses.
Germany--Economic conditions--Congresses.
Poor--Government policy--Austria--Congresses.
Poor--Government policy--England--Congresses.
Poor--Government policy--Germany--Congresses.
Poverty--Austria--History--Congresses.
Poverty--England--History--Congresses.
Poverty--Germany--History--Congresses.
Princeton subject headings:
Poor--Europe, Central--History--Congresses.
Poor--Services for--Europe, Central--History--Congresses.