Columbia subject headings:
Harvard subject headings:
Africans--Europe--Social conditions.
Human trafficking--Africa.
Human trafficking--Europe.
Prostitutes--Europe--Social conditions.
Prostitution--Europe
Transnational crime--Africa.
Transnational crime--Europe.
Princeton subject headings:
Africans--Europe--Social conditions.
Human trafficking--Africa.
Human trafficking--Europe.
Prostitutes--Europe--Social conditions.
Prostitution--Europe.
Transnational crime--Africa.
Transnational crime--Europe.