Columbia subject headings:
Harvard subject headings:
Household employees--Austria--History--Congresses.
Household employees--Austria--Social conditions--Congresses.
Household employees--Croatia--History--Congresses.
Household employees--Croatia--Social conditions--Congresses.
Household employees--Hungary--History--Congresses.
Household employees--Hungary--Social conditions--Congresses.
Household employees--Pannonia Region--History--Congresses.
Household employees--Pannonia Region--Social conditions--Congresses.
Princeton subject headings:
Household employees--Austria--History--Congresses.
Household employees--Austria--Social conditions--Congresses.
Household employees--Croatia--History--Congresses.
Household employees--Croatia--Social conditions--Congresses.
Household employees--Hungary--History--Congresses.
Household employees--Hungary--Social conditions--Congresses.
Household employees--Pannonia Region--History--Congresses.
Household employees--Pannonia Region--Social conditions--Congresses.