Columbia subject headings:
Moroccans--Netherlands--Congresses.
Morocco--Economic conditions--Congresses.
Morocco--Languages--Congresses.
Morocco--Literature--Congresses.
Morocco--Social conditions--Congresses.
Harvard subject headings:
Moroccans--Netherlands--Congresses.
Morocco--Economic conditions--Congresses.
Morocco--Languages--Congresses.
Morocco--Literature--Congresses.
Morocco--Social conditions--Congresses.
Princeton subject headings:
Arabic language--Congresses.
Arabic literature--Congresses.
Ethnicity--Morocco--Congresses.
Morocco--Emigration and immigration--Netherlands--Congresses.
Netherlands--Emigration and immigration--Morocco--Congresses.
Research--Social aspects--Morocco--Congresses.