Columbia subject headings:
Gandhi, Mahatma, 1869-1948.
Human ecology.
Sustainable development.
Yoga.
Harvard subject headings:
Gandhi, Mahatma, 1869-1948
Gandhi, Mahatma, 1869-1948--Quotations.
Gandhi, Mahatma, 1869-1948--Views on human ecology.
Human ecology--India
Princeton subject headings: