Columbia subject headings:
Harvard subject headings:
Colombo (Sri Lanka)--Social conditions.
Marginality, Social--Sri Lanka--Colombo.
Squatter settlements--Sri Lanka--Colombo.
Urbanization--Sri Lanka--Colombo.
Princeton subject headings:
Colombo (Sri Lanka)--Social conditions.
Marginality, Social--Sri Lanka--Colombo.
Squatter settlements--Sri Lanka--Colombo.
Urbanization--Sri Lanka--Colombo.