Columbia subject headings:
Agriculture--Indus River Valley--History.
Human ecology--Indus River Valley.
Indus River Delta (Pakistan)
Indus River--History.
Social change--Pakistan.
Water resources development--Pakistan.
Harvard subject headings:
Agriculture--Indus River Valley--History.
Human ecology--Indus River Valley.
Indus River Delta (Pakistan)
Indus River--History.
Social change--Indus River.
Social change--Pakistan--Indus River.
Water resources development--Indus River.
Water resources development--Pakistan--Indus River.
Princeton subject headings:
Indus River--History.
Social change--Pakistan--Indus River.
Water resources development--Pakistan--Indus River.