Columbia subject headings:
Cannabis--Social aspects--Greece.
Prisoners--Recreation--Greece.
Prisons--Social aspects--Greece.
Rebetika--Social aspects--Greece.
Harvard subject headings:
Folklore--Greece
Greece--Social life and customs.
Princeton subject headings:
Cannabis--Greece--Social aspects.
Prisoners--Greece--Recreation.
Prisons--Greece--Social aspects.
Rebetika--Greece--Social aspects.