Columbia subject headings:
Afghanistan--Description and travel.
Amu Darya.
Asia, Central--Historical geography.
Punjab (India)--Description and travel.
Harvard subject headings:
Afghanistan--Description and travel
Amu Darya.
Asia, Central--Historical geography.
Punjab (India)--Description and travel.
Princeton subject headings:
Afghanistan--Description and travel.
Amu River.
Asia, Central--Historical geography.
Punjab (India)--Description and travel.