Columbia subject headings:
Harvard subject headings:
Bonn (Germany)--Emigration and immigration--Health aspects--Congresses.
Emigration and immigration--Health aspects--Congresses.
Immigrants--Health and hygiene--Germany--Bonn--Congresses.
People with disabilities--Services for--Germany--Bonn--Congresses.
People with disabilities--Syria--Congresses.
Refugees--Health and hygiene--Congresses.
Refugees--Health and hygiene--Germany--Bonn--Congresses.
Syria--Emigration and immigration--Health aspects--Congresses.
Syrians--Health and hygiene--Germany--Bonn--Congresses.
Princeton subject headings:
Immigrants--Germany--Social conditions--Congresses.
Immigrants--Government policy--Germany--Congresses.
People with disabilities--Germany--Social conditions--Congresses.
People with disabilities--Government policy--Germany--Congresses.
Refugees--Germany--Social conditions--Congresses.
Refugees--Government policy--Germany--Congresses.